# Physics equations/18-Electric charge and field/Q:findE/Testbank

## a18ElectricChargeField_findE_v1

What is the magnitude of the electric field at the origin if a 1.8 nC charge is placed at x = 7.9 m, and a 2.1 nC charge is placed at y = 7 m?

 a) 2.61 x 10-1N/C b) 3.02 x 10-1N/C c) 3.48 x 10-1N/C d) 4.02 x 10-1N/C e) 4.64 x 10-1N/C

copies
```===2===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 2.9 nC charge is placed at x = 5.9 m, and a 2.7  nC charge is placed at y = 9.2 m?}
+a) 8.02 x 10<sup>-1</sup>N/C
-b) 9.26 x 10<sup>-1</sup>N/C
-c) 1.07 x 10<sup>0</sup>N/C
-d) 1.23 x 10<sup>0</sup>N/C
-e) 1.43 x 10<sup>0</sup>N/C
===3===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 2.1 nC charge is placed at x = 7 m, and a 2.1  nC charge is placed at y = 8.6 m?}
-a) 3 x 10<sup>-1</sup>N/C
-b) 3.47 x 10<sup>-1</sup>N/C
-c) 4 x 10<sup>-1</sup>N/C
+d) 4.62 x 10<sup>-1</sup>N/C
-e) 5.34 x 10<sup>-1</sup>N/C
===4===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 3.1 nC charge is placed at x = 6.2 m, and a 2.6  nC charge is placed at y = 6 m?}
-a) 5.47 x 10<sup>-1</sup>N/C
-b) 6.32 x 10<sup>-1</sup>N/C
-c) 7.3 x 10<sup>-1</sup>N/C
-d) 8.43 x 10<sup>-1</sup>N/C
+e) 9.73 x 10<sup>-1</sup>N/C
===5===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 3 nC charge is placed at x = 5.1 m, and a 2  nC charge is placed at y = 8.6 m?}
-a) 7.99 x 10<sup>-1</sup>N/C
-b) 9.22 x 10<sup>-1</sup>N/C
+c) 1.07 x 10<sup>0</sup>N/C
-d) 1.23 x 10<sup>0</sup>N/C
-e) 1.42 x 10<sup>0</sup>N/C
===6===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 1.8 nC charge is placed at x = 9.6 m, and a 2  nC charge is placed at y = 8.7 m?}
+a) 2.95 x 10<sup>-1</sup>N/C
-b) 3.41 x 10<sup>-1</sup>N/C
-c) 3.94 x 10<sup>-1</sup>N/C
-d) 4.55 x 10<sup>-1</sup>N/C
-e) 5.25 x 10<sup>-1</sup>N/C
===7===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 1.7 nC charge is placed at x = 6.4 m, and a 3  nC charge is placed at y = 8 m?}
-a) 4.22 x 10<sup>-1</sup>N/C
-b) 4.87 x 10<sup>-1</sup>N/C
+c) 5.63 x 10<sup>-1</sup>N/C
-d) 6.5 x 10<sup>-1</sup>N/C
-e) 7.51 x 10<sup>-1</sup>N/C
===8===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 1.9 nC charge is placed at x = 9.7 m, and a 3.1  nC charge is placed at y = 5.5 m?}
-a) 5.28 x 10<sup>-1</sup>N/C
-b) 6.1 x 10<sup>-1</sup>N/C
-c) 7.04 x 10<sup>-1</sup>N/C
-d) 8.13 x 10<sup>-1</sup>N/C
+e) 9.39 x 10<sup>-1</sup>N/C
===9===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 2.7 nC charge is placed at x = 9.1 m, and a 2.5  nC charge is placed at y = 5.9 m?}
-a) 3.99 x 10<sup>-1</sup>N/C
-b) 4.6 x 10<sup>-1</sup>N/C
-c) 5.32 x 10<sup>-1</sup>N/C
-d) 6.14 x 10<sup>-1</sup>N/C
+e) 7.09 x 10<sup>-1</sup>N/C
===10===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 1.2 nC charge is placed at x = 5.9 m, and a 3.1  nC charge is placed at y = 6.1 m?}
-a) 7.02 x 10<sup>-1</sup>N/C
+b) 8.11 x 10<sup>-1</sup>N/C
-c) 9.36 x 10<sup>-1</sup>N/C
-d) 1.08 x 10<sup>0</sup>N/C
-e) 1.25 x 10<sup>0</sup>N/C
===11===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 1.4 nC charge is placed at x = 8.2 m, and a 2.3  nC charge is placed at y = 5.9 m?}
-a) 5.39 x 10<sup>-1</sup>N/C
+b) 6.23 x 10<sup>-1</sup>N/C
-c) 7.19 x 10<sup>-1</sup>N/C
-d) 8.31 x 10<sup>-1</sup>N/C
-e) 9.59 x 10<sup>-1</sup>N/C
===12===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 3 nC charge is placed at x = 8.8 m, and a 2.9  nC charge is placed at y = 6.9 m?}
-a) 4.87 x 10<sup>-1</sup>N/C
-b) 5.62 x 10<sup>-1</sup>N/C
+c) 6.49 x 10<sup>-1</sup>N/C
-d) 7.49 x 10<sup>-1</sup>N/C
-e) 8.65 x 10<sup>-1</sup>N/C
===13===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 2.5 nC charge is placed at x = 5.3 m, and a 1.9  nC charge is placed at y = 5.6 m?}
-a) 7.26 x 10<sup>-1</sup>N/C
-b) 8.38 x 10<sup>-1</sup>N/C
+c) 9.68 x 10<sup>-1</sup>N/C
-d) 1.12 x 10<sup>0</sup>N/C
-e) 1.29 x 10<sup>0</sup>N/C
===14===
{<!--a18ElectricChargeField_findE_1-->What is the magnitude of the electric field at the origin if a 1.8 nC charge is placed at x = 5.2 m, and a 3.1  nC charge is placed at y = 7.6 m?}
+a) 7.69 x 10<sup>-1</sup>N/C
-b) 8.88 x 10<sup>-1</sup>N/C
-c) 1.03 x 10<sup>0</sup>N/C
-d) 1.18 x 10<sup>0</sup>N/C
-e) 1.37 x 10<sup>0</sup>N/C
```

## a18ElectricChargeField_findE_v1

What angle does the electric field at the origin make with the x-axis if a 1.1 nC charge is placed at x = -6.5 m, and a 1.4 nC charge is placed at y = -8.3 m?

 a) 3.8 x 101degrees b) 4.39 x 101degrees c) 5.06 x 101degrees d) 5.85 x 101degrees e) 6.75 x 101degrees

copies
```===2===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 1.3 nC charge is placed at x = -9 m, and a 1.5  nC charge is placed at y = -5.2 m?}
-a) 4.15 x 10<sup>1</sup>degrees
-b) 4.8 x 10<sup>1</sup>degrees
-c) 5.54 x 10<sup>1</sup>degrees
-d) 6.4 x 10<sup>1</sup>degrees
+e) 7.39 x 10<sup>1</sup>degrees
===3===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 1.4 nC charge is placed at x = -8.7 m, and a 2.7  nC charge is placed at y = -8.3 m?}
-a) 4.85 x 10<sup>1</sup>degrees
-b) 5.61 x 10<sup>1</sup>degrees
+c) 6.47 x 10<sup>1</sup>degrees
-d) 7.48 x 10<sup>1</sup>degrees
-e) 8.63 x 10<sup>1</sup>degrees
===4===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2 nC charge is placed at x = -8.7 m, and a 2.7  nC charge is placed at y = -5.2 m?}
-a) 4.23 x 10<sup>1</sup>degrees
-b) 4.88 x 10<sup>1</sup>degrees
-c) 5.64 x 10<sup>1</sup>degrees
-d) 6.51 x 10<sup>1</sup>degrees
+e) 7.52 x 10<sup>1</sup>degrees
===5===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2 nC charge is placed at x = -8 m, and a 1.4  nC charge is placed at y = -9.3 m?}
-a) 2.37 x 10<sup>1</sup>degrees
+b) 2.74 x 10<sup>1</sup>degrees
-c) 3.16 x 10<sup>1</sup>degrees
-d) 3.65 x 10<sup>1</sup>degrees
-e) 4.22 x 10<sup>1</sup>degrees
===6===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 1.9 nC charge is placed at x = -5.4 m, and a 1.5  nC charge is placed at y = -7.1 m?}
-a) 1.38 x 10<sup>1</sup>degrees
-b) 1.59 x 10<sup>1</sup>degrees
-c) 1.84 x 10<sup>1</sup>degrees
-d) 2.13 x 10<sup>1</sup>degrees
+e) 2.45 x 10<sup>1</sup>degrees
===7===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 1.8 nC charge is placed at x = -6.9 m, and a 2.5  nC charge is placed at y = -7.5 m?}
-a) 2.79 x 10<sup>1</sup>degrees
-b) 3.22 x 10<sup>1</sup>degrees
-c) 3.72 x 10<sup>1</sup>degrees
-d) 4.3 x 10<sup>1</sup>degrees
+e) 4.96 x 10<sup>1</sup>degrees
===8===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 1.4 nC charge is placed at x = -5.5 m, and a 2.8  nC charge is placed at y = -6.8 m?}
-a) 3.95 x 10<sup>1</sup>degrees
-b) 4.56 x 10<sup>1</sup>degrees
+c) 5.26 x 10<sup>1</sup>degrees
-d) 6.08 x 10<sup>1</sup>degrees
-e) 7.02 x 10<sup>1</sup>degrees
===9===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2.6 nC charge is placed at x = -8.3 m, and a 2.5  nC charge is placed at y = -9.6 m?}
-a) 2.32 x 10<sup>1</sup>degrees
-b) 2.68 x 10<sup>1</sup>degrees
-c) 3.09 x 10<sup>1</sup>degrees
+d) 3.57 x 10<sup>1</sup>degrees
-e) 4.12 x 10<sup>1</sup>degrees
===10===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2.8 nC charge is placed at x = -8 m, and a 1.5  nC charge is placed at y = -8.7 m?}
+a) 2.44 x 10<sup>1</sup>degrees
-b) 2.81 x 10<sup>1</sup>degrees
-c) 3.25 x 10<sup>1</sup>degrees
-d) 3.75 x 10<sup>1</sup>degrees
-e) 4.33 x 10<sup>1</sup>degrees
===11===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2.9 nC charge is placed at x = -7.3 m, and a 1.7  nC charge is placed at y = -8.1 m?}
+a) 2.55 x 10<sup>1</sup>degrees
-b) 2.94 x 10<sup>1</sup>degrees
-c) 3.4 x 10<sup>1</sup>degrees
-d) 3.92 x 10<sup>1</sup>degrees
-e) 4.53 x 10<sup>1</sup>degrees
===12===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2.8 nC charge is placed at x = -9.8 m, and a 2.8  nC charge is placed at y = -5.8 m?}
+a) 7.07 x 10<sup>1</sup>degrees
-b) 8.16 x 10<sup>1</sup>degrees
-c) 9.43 x 10<sup>1</sup>degrees
-d) 1.09 x 10<sup>2</sup>degrees
-e) 1.26 x 10<sup>2</sup>degrees
===13===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 1.2 nC charge is placed at x = -6.7 m, and a 1.7  nC charge is placed at y = -6.1 m?}
-a) 4.47 x 10<sup>1</sup>degrees
-b) 5.17 x 10<sup>1</sup>degrees
+c) 5.97 x 10<sup>1</sup>degrees
-d) 6.89 x 10<sup>1</sup>degrees
-e) 7.96 x 10<sup>1</sup>degrees
===14===
{<!--a18ElectricChargeField_findE_2-->What angle does the electric field at the origin make with the x-axis  if a 2.9 nC charge is placed at x = -6.3 m, and a 2.1  nC charge is placed at y = -8.8 m?}
-a) 1.32 x 10<sup>1</sup>degrees
-b) 1.53 x 10<sup>1</sup>degrees
-c) 1.76 x 10<sup>1</sup>degrees
+d) 2.04 x 10<sup>1</sup>degrees
-e) 2.35 x 10<sup>1</sup>degrees
```

## a18ElectricChargeField_findE_v1

A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at (x,y) =( 6a, 4a) is βkQ/a2, where β equals

 a) 1.33 x 10-3 b) 1.61 x 10-3 c) 1.95 x 10-3 d) 2.37 x 10-3 e) 2.87 x 10-3

copies
```===2===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 4a, 3a) is βkQ/a<sup>2</sup>, where β equals}
-a) 4.1 x 10<sup>-3</sup>
-b) 4.96 x 10<sup>-3</sup>
-c) 6.01 x 10<sup>-3</sup>
+d) 7.28 x 10<sup>-3</sup>
-e) 8.82 x 10<sup>-3</sup>
===3===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 4a, 5a) is βkQ/a<sup>2</sup>, where β equals}
+a) 6.11 x 10<sup>-4</sup>
-b) 7.4 x 10<sup>-4</sup>
-c) 8.97 x 10<sup>-4</sup>
-d) 1.09 x 10<sup>-3</sup>
-e) 1.32 x 10<sup>-3</sup>
===4===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 6a, 5a) is βkQ/a<sup>2</sup>, where β equals}
+a) 1.61 x 10<sup>-3</sup> unit
-b) 1.95 x 10<sup>-3</sup> unit
-c) 2.36 x 10<sup>-3</sup> unit
-d) 2.86 x 10<sup>-3</sup> unit
-e) 3.46 x 10<sup>-3</sup> unit
===5===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 4a, 3a) is βkQ/a<sup>2</sup>, where β equals}
-a) 3.38 x 10<sup>-3</sup> unit
-b) 4.1 x 10<sup>-3</sup> unit
-c) 4.96 x 10<sup>-3</sup> unit
-d) 6.01 x 10<sup>-3</sup> unit
+e) 7.28 x 10<sup>-3</sup> unit
===6===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 5a, 4a) is βkQ/a<sup>2</sup>, where β equals}
-a) 1.76 x 10<sup>-3</sup> unit
-b) 2.13 x 10<sup>-3</sup> unit
-c) 2.59 x 10<sup>-3</sup> unit
+d) 3.13 x 10<sup>-3</sup> unit
-e) 3.79 x 10<sup>-3</sup> unit
===7===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 4a, 6a) is βkQ/a<sup>2</sup>, where β equals}
-a) 1.52 x 10<sup>-4</sup> unit
-b) 1.85 x 10<sup>-4</sup> unit
+c) 2.24 x 10<sup>-4</sup> unit
-d) 2.71 x 10<sup>-4</sup> unit
-e) 3.28 x 10<sup>-4</sup> unit
===8===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 4a, 4a) is βkQ/a<sup>2</sup>, where β equals}
-a) 2.22 x 10<sup>-3</sup> unit
+b) 2.69 x 10<sup>-3</sup> unit
-c) 3.26 x 10<sup>-3</sup> unit
-d) 3.95 x 10<sup>-3</sup> unit
-e) 4.79 x 10<sup>-3</sup> unit
===9===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 6a, 5a) is βkQ/a<sup>2</sup>, where β equals}
-a) 1.09 x 10<sup>-3</sup> unit
-b) 1.33 x 10<sup>-3</sup> unit
+c) 1.61 x 10<sup>-3</sup> unit
-d) 1.95 x 10<sup>-3</sup> unit
-e) 2.36 x 10<sup>-3</sup> unit
===10===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 3a, 5a) is βkQ/a<sup>2</sup>, where β equals}
+a) 1.08 x 10<sup>-3</sup> unit
-b) 1.31 x 10<sup>-3</sup> unit
-c) 1.59 x 10<sup>-3</sup> unit
-d) 1.93 x 10<sup>-3</sup> unit
-e) 2.34 x 10<sup>-3</sup> unit
===11===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 4a, 2a) is βkQ/a<sup>2</sup>, where β equals}
-a) 7.31 x 10<sup>-3</sup> unit
-b) 8.86 x 10<sup>-3</sup> unit
-c) 1.07 x 10<sup>-2</sup> unit
-d) 1.3 x 10<sup>-2</sup> unit
+e) 1.57 x 10<sup>-2</sup> unit
===12===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 6a, 4a) is βkQ/a<sup>2</sup>, where β equals}
-a) 1.33 x 10<sup>-3</sup> unit
-b) 1.61 x 10<sup>-3</sup> unit
-c) 1.95 x 10<sup>-3</sup> unit
-d) 2.37 x 10<sup>-3</sup> unit
+e) 2.87 x 10<sup>-3</sup> unit
===13===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 5a, 5a) is βkQ/a<sup>2</sup>, where β equals}
-a) 6.46 x 10<sup>-4</sup> unit
-b) 7.82 x 10<sup>-4</sup> unit
-c) 9.48 x 10<sup>-4</sup> unit
-d) 1.15 x 10<sup>-3</sup> unit
+e) 1.39 x 10<sup>-3</sup> unit
===14===
{<!--a18ElectricChargeField_findE_3-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the x component of the electric field at  (x,y) =( 6a, 5a) is βkQ/a<sup>2</sup>, where β equals}
-a) 1.33 x 10<sup>-3</sup> unit
+b) 1.61 x 10<sup>-3</sup> unit
-c) 1.95 x 10<sup>-3</sup> unit
-d) 2.36 x 10<sup>-3</sup> unit
-e) 2.86 x 10<sup>-3</sup> unit
```

## a18ElectricChargeField_findE_v1

A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at (x,y) =( 1.1a, 1.2a) is βkQ/a2, where β equals

 a) 2.36 x 10-1 b) 2.86 x 10-1 c) 3.47 x 10-1 d) 4.2 x 10-1 e) 5.09 x 10-1

copies
```===2===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.61 x 10<sup>-1</sup>
-b) 1.95 x 10<sup>-1</sup>
-c) 2.36 x 10<sup>-1</sup>
-d) 2.86 x 10<sup>-1</sup>
+e) 3.47 x 10<sup>-1</sup>
===3===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 2.86 x 10<sup>-1</sup>
+b) 3.47 x 10<sup>-1</sup>
-c) 4.2 x 10<sup>-1</sup>
-d) 5.09 x 10<sup>-1</sup>
-e) 6.17 x 10<sup>-1</sup>
===4===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
+a) 3.47 x 10<sup>-1</sup> unit
-b) 4.2 x 10<sup>-1</sup> unit
-c) 5.09 x 10<sup>-1</sup> unit
-d) 6.17 x 10<sup>-1</sup> unit
-e) 7.47 x 10<sup>-1</sup> unit
===5===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 2.36 x 10<sup>-1</sup> unit
-b) 2.86 x 10<sup>-1</sup> unit
+c) 3.47 x 10<sup>-1</sup> unit
-d) 4.2 x 10<sup>-1</sup> unit
-e) 5.09 x 10<sup>-1</sup> unit
===6===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.61 x 10<sup>-1</sup> unit
-b) 1.95 x 10<sup>-1</sup> unit
-c) 2.36 x 10<sup>-1</sup> unit
-d) 2.86 x 10<sup>-1</sup> unit
+e) 3.47 x 10<sup>-1</sup> unit
===7===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 2.36 x 10<sup>-1</sup> unit
-b) 2.86 x 10<sup>-1</sup> unit
+c) 3.47 x 10<sup>-1</sup> unit
-d) 4.2 x 10<sup>-1</sup> unit
-e) 5.09 x 10<sup>-1</sup> unit
===8===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 2.86 x 10<sup>-1</sup> unit
+b) 3.47 x 10<sup>-1</sup> unit
-c) 4.2 x 10<sup>-1</sup> unit
-d) 5.09 x 10<sup>-1</sup> unit
-e) 6.17 x 10<sup>-1</sup> unit
===9===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
+a) 3.47 x 10<sup>-1</sup> unit
-b) 4.2 x 10<sup>-1</sup> unit
-c) 5.09 x 10<sup>-1</sup> unit
-d) 6.17 x 10<sup>-1</sup> unit
-e) 7.47 x 10<sup>-1</sup> unit
===10===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.95 x 10<sup>-1</sup> unit
-b) 2.36 x 10<sup>-1</sup> unit
-c) 2.86 x 10<sup>-1</sup> unit
+d) 3.47 x 10<sup>-1</sup> unit
-e) 4.2 x 10<sup>-1</sup> unit
===11===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.95 x 10<sup>-1</sup> unit
-b) 2.36 x 10<sup>-1</sup> unit
-c) 2.86 x 10<sup>-1</sup> unit
+d) 3.47 x 10<sup>-1</sup> unit
-e) 4.2 x 10<sup>-1</sup> unit
===12===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.61 x 10<sup>-1</sup> unit
-b) 1.95 x 10<sup>-1</sup> unit
-c) 2.36 x 10<sup>-1</sup> unit
-d) 2.86 x 10<sup>-1</sup> unit
+e) 3.47 x 10<sup>-1</sup> unit
===13===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.95 x 10<sup>-1</sup> unit
-b) 2.36 x 10<sup>-1</sup> unit
-c) 2.86 x 10<sup>-1</sup> unit
+d) 3.47 x 10<sup>-1</sup> unit
-e) 4.2 x 10<sup>-1</sup> unit
===14===
{<!--a18ElectricChargeField_findE_4-->A dipole at the origin consists of charge Q placed at x = 0.5a, and  charge of -Q placed at x = -0.5a. The absolute value of the y component of the electric field at  (x,y) =( 1.1a, 1.2a) is βkQ/a<sup>2</sup>, where β equals }
-a) 1.95 x 10<sup>-1</sup> unit
-b) 2.36 x 10<sup>-1</sup> unit
-c) 2.86 x 10<sup>-1</sup> unit
+d) 3.47 x 10<sup>-1</sup> unit
-e) 4.2 x 10<sup>-1</sup> unit
```