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Electrostatic and Capacitance

Electrostatic and Capacitance
The dielectric constant is the ability of a material to establish an electric field.

1

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Electrostatic and Capacitance
Electric field intensity is a quantity

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

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Electrostatic and Capacitance
A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is

50 joules
200 joules
150 joules
250 joules

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

Voltage
Charge
Potential gradient
Current

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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
A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage?

0.88 V
800 V
80 V
8 V

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