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Electrostatic and Capacitance

Electrostatic and Capacitance
The relative permittivity of free space is given by

1
2
100
10

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Electrostatic and Capacitance
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is

0.6 s
1.2 s
0.4 s
0.8 s

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Electrostatic and Capacitance
The absolute permittivity of free space is given by

8.854 x 10?12 F/m
8.854 x 1(T9 F/m)
8.854 x 1(T10 F/m)
8.854 x KT11 F/m

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Electrostatic and Capacitance
The unit of capacitance is

Farady/m
Hennry
Ohm
Farady

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Electrostatic and Capacitance
While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is

Leaky
Alright
Short-circuit
Open-circuit

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Electrostatic and Capacitance
Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as

milli-coulomb
pico-coulomb
coulomb
micro-coulomb

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