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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following capacitors will have the least variation?

None of the listed here
Ceramic capacitor
Paper capacitor
Silver plate mica capacitor

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

1

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Electrostatic and Capacitance
The relative permittivity of free space is given by

1
100
10
2

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Electrostatic and Capacitance
is that property of a capacitor which delays any change of voltage across it.

None of these
Potential gradient
Inductance
Capacitance

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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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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

2 µF
4 µF
8 µF
1 µF

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