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Electrostatic and Capacitance

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

Triples
Stays the same
Is cut to one-third
Doubles

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Electrostatic and Capacitance
The direction of electric field due +0 positive charge is .

both (A) and (B)
None of these
away from the charge
towards the charge

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Electrostatic and Capacitance
A capacitor consists of

two insulators separated by a conductor
two conductors separated by an insulator
two insulators only
two conductors only

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Electrostatic and Capacitance
A 0.00022 F capacitor equals how many micro-farads?

220 µF
22,200 µF
2,200 µF
22 µF

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Electrostatic and Capacitance
If a third equal and similar charge is placed between two equal and similar charges, then this third charge will

not be in equilibrium
be in unstable equilibrium
remain in stable equilibrium
move out of the field of influence of the two charges

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

1

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