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Electrostatic and Capacitance

Electrostatic and Capacitance
Dielectric strength of a medium is usually expressed in

C/mm
KV/mm
N/mm
None of the listed here

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Electrostatic and Capacitance
Mica capacitors are characterised by all of the following except

stable operation
low leakage reactance
accurate value
low losses

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Electrostatic and Capacitance
An uncharged capacitor and a 1 kΩ resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is

6 V
0 V
2 V
3 V

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Electrostatic and Capacitance
A capacitance is a circuit component that opposes the change in circuit

Current
None of the listed here
Voltage
Impedance

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Electrostatic and Capacitance
The property of a capacitor to store electricity is called its

energy
None of these
charge
capacitance

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Electrostatic and Capacitance
A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

352 ms
35 ms
70.5 ms
3.5 ms

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