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Electrostatic and Capacitance

Electrostatic and Capacitance
Permittivity is expressed in

Farad/sq-m
Weber/meter
Weber/sq-m
Farad/meter

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Electrostatic and Capacitance
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them

two in parallel and third in series with this combination
all in series
two in series and third in parallel across this combination
all in parallel

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Electrostatic and Capacitance
A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is

480 µs
48 µs
2.42 µs
24 µs

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Electrostatic and Capacitance
The unit of capacitance is

Farady
Ohm
Farady/m
Hennry

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Electrostatic and Capacitance
Which of the following materials has the highest value of dielectric constant?

Glass
Paper
Ceramic
Mica

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Electrostatic and Capacitance
The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as

Chemical effect
Photoelectric effect
Magnetic effect
Induction

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