The value of the capacitance depends upon the?
geometry of the capacitor
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density of the capacitor plates
thickness of the capacitor plates
voltage applied
A 5 μF capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is?
A 5 μF capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is?
10-5 C
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2.5 x 10-8 C
103 C
4 x 103 C
Electric flux due to a point charge +q is?
Electric flux due to a point charge +q is?
q/ɛ0
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1/4IIɛ q/r
1/4IIɛ0. q/r2
4IIɛ0
Equivalent capacitance is greater than individual capacitances in?
Equivalent capacitance is greater than individual capacitances in?
parallel combination
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series combination
series and parallel combinations
None of the Option is Correct
The number of electrons in one coulomb charge is equal to?
The number of electrons in one coulomb charge is equal to?
6.2 x 1018
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1.6 x 1019
6.2 x 1021
1.6 x 10-27
SI unit of the permittivity of free space is?
SI unit of the permittivity of free space is?
N-1m-2C2
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NmC-1
N-1mC-2
Nm2C2
Value of εr for various dielectrics is always?
Value of εr for various dielectrics is always?
Larger than unit
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No hard and fast rule
Equal to the unit
Less than unity
If a charged rod is brought closer to a gas filled balloon then?
If a charged rod is brought closer to a gas filled balloon then?
Radius increase
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Balloon squeezes
Balloon bursts
Radius decreases
Photocopier and inject printer are dealt in?
Photocopier and inject printer are dealt in?
Electrostatics
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Charges in motion
Capacitors
Electric fields
N/C =?
N/C =?
V/m
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A/m
J/V
V/A