Physics and Astronomy Labs/group 2

1 Voltage is expressed as?

	energy/q
	q/energy
	I/gh
	gh/q

2 Is current equal to the number of electrons per second flowing through a wire?

	only in units where the charge of the electron equals one
	yes
	no
	only in units where the charge of the electron equals the potential energy of a mouse

3 In the gravitational analogy to electrostatics and electricity, what is analogous to voltage? (Here, m is mass, h is height, and g is gravitational acceleration.

	m
	mg
	mgh
	gh

4 question?

	yes
	wrong
	wrong
	wrong

5 question?

	yes
	wrong
	wrong
	wrong