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Electrostatic and Capacitance

Electrostatic and Capacitance
The inverse of capacitance is called

conductance
reluctance
susceptance
elastance

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Electrostatic and Capacitance
Two series capacitors (one 2 µF, the other of unknown value) are charged from a 24 V source. The 2 µF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is

8 µF
1 µF
4 µF
2 µF

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Electrostatic and Capacitance
Dielectric constant for mica is nearly

200
3 to 8
100
1 to 2

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Electrostatic and Capacitance
When the voltage across a capacitor is tripled, the stored charge

Is cut to one-third
Doubles
Stays the same
Triples

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Electrostatic and Capacitance
XC is inversely proportional to frequency and capacitance.

1

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Voltage across the plates decreases
Charge on the capacitor increases
Charge on the capacitor decreases
Voltage across the plates increases

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