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Electrostatic and Capacitance

Electrostatic and Capacitance
Electric field intensity is a quantity

Scalar quantity
None of the listed here
Vector quantity
Both Vector & Scalar quantity

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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
A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

25 times larger than before
5 times smaller than before
5 times greater than before
10 times greater than before

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Electrostatic and Capacitance
The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by

C/R
R/C
1/RC
RC

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Electrostatic and Capacitance
Which is the most superior dielectric out of the following ?

Glass
Bakelite
Air
Paper

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Electrostatic and Capacitance
The total deficiency or excess of electrons in a body is known as

Charge
Voltage
Current
Potential gradient

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