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Electrostatic and Capacitance

Electrostatic and Capacitance
Five time constants are required for a capacitor to charge fully or discharge fully.

1

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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

3 V
0 V
2 V
6 V

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

Doubles
Is cut to one-third
Triples
Stays the same

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Electrostatic and Capacitance
A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current

Decreases
Remains constant
Increases
Ceases

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Electrostatic and Capacitance
Of the following capacitors, which one has the highest dielectric constant?

Air
Mica
Glass
Paper

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Electrostatic and Capacitance
A 0.01 µF capacitor equals how many picofarads?

100 pF
10,000 pF
1,000 pF
100,000 pF

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