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Electrostatic and Capacitance

Electrostatic and Capacitance
When the voltage across a capacitor is tripled, the stored charge

Is cut to one-third
Doubles
Triples
Stays the same

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Fixed capacitance
Large value of capacitance
Low capacitance
Variable capacitance

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

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

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Electrostatic and Capacitance
For making a capacitor, it is better to select a dielectric having

Permittivity same as that of air
High permeability
Permittivity slightly more than that of air
Low permeability

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Electrostatic and Capacitance
A unit tube of flux is known as tube

Farady
Michale
None of the listed here
Newton

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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

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

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