Fundamental Physics/Electronics/Capacitors

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Capacitor[edit | edit source]

Capacitors (7189597135).jpg

Capacitor is a electric component that can store electric field energy . Capacitor is made from 2 parallel plates separated by an insulator

Symbol[edit | edit source]

Types of capacitor.svg

Capacitance[edit | edit source]

Capacitance is a characteristic of capacitor which indicates capacitor's capability to store energy under Electric field

Capacitor in DC Circuit[edit | edit source]

Capacitance[edit | edit source]

Capacitance has a symbol C measured in Farat unit F

Charge[edit | edit source]

Current[edit | edit source]

Voltage[edit | edit source]

Power[edit | edit source]

Capacitor in AC Circuit[edit | edit source]

Voltage[edit | edit source]

Current[edit | edit source]

Reactance[edit | edit source]

Resistance to the AC current flow

In time domain

In frequency domain

In phasor domain

Impedance[edit | edit source]

Resistance to the AC current flow

In frequency domain

In phasor domain

Time Constant[edit | edit source]

Power[edit | edit source]

Power of the capacitor

Capacitor Configuration[edit | edit source]

Capacitor in Series[edit | edit source]

For n capacitors connected adjacent to each other as shown

The total resistance

For 2 series capacitor of same value

Capacitors in parallel[edit | edit source]

For n capacitors connected facing each other as shown

The total resistance

For 2 parallel capacitor of same value

See also[edit | edit source]

References[edit | edit source]

External links[edit | edit source]