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Electrostatic and Capacitance

Electrostatic and Capacitance
A capacitance is a circuit component that opposes the change in circuit

Impedance
Current
Voltage
None of the listed here

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Electrostatic and Capacitance
A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

352 ms
35 ms
70.5 ms
3.5 ms

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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 units of volume charge density are

Coulomb/meter
Coulomb/meter
Coulomb/meter
Coulomb/meter

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Electrostatic and Capacitance
“The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”.The above statement is associated with

Lenz’s law
Faraday’s law
Kirchhoff's law
Gauss’s law

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Electrostatic and Capacitance
If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will

None of the listed here
Decrease
Remain same
Increase

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