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Electrostatic and Capacitance

Electrostatic and Capacitance
The potential gradient across the material of low permittivity is than across the material of high permittivity.

smaller
greater
None of these
both (A) and (B)

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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

Increases
Ceases
Decreases
Remains constant

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Electrostatic and Capacitance
If a third equal and similar charge is placed between two equal and similar charges, then this third charge will

be in unstable equilibrium
move out of the field of influence of the two charges
remain in stable equilibrium
not be in equilibrium

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Electrostatic and Capacitance
If three 15 uF capacitors are connected in series, the net capacitance is

5 uF
15 uF
10 uF
20 uF

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Electrostatic and Capacitance
A 330 pF capacitor and a 220 pF capacitor are each connected across a 6 V dc source. The voltage across the 330 pF capacitor is

4 V
0 V
3 V
6 V

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Electrostatic and Capacitance
Capacitors are mainly used for radio frequency tuning.

Electrolytic
Air
Mica
Paper

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MORE MCQ ON Electrostatic and Capacitance

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