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Electrostatic and Capacitance

Electrostatic and Capacitance
The capacitance of a capacitor is not affected by

Area of plates
Thickness of plates
All of the listed here
Distance between plates

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Voltage across the plates decreases
Charge on the capacitor increases
Charge on the capacitor decreases
Voltage across the plates increases

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Electrostatic and Capacitance
The dielectric constant (relative permittivity) of glass is given by

5 to 100
0.1 to 0.4
0.5 to 1.0
2.0 to 4.0

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Electrostatic and Capacitance
Which of the following expression is correct for electric field strength ?

E = D2/t
E = D/€
None of the listed here
E = jtD

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

22,200 µF
220 µF
2,200 µF
22 µF

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

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

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