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Electrostatic and Capacitance

Electrostatic and Capacitance
Dielectric strength ______ with increasing thickness

remains unaltered
None of these
decreases
increases

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Electrostatic and Capacitance
What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?

50 pF
200 pF
150 pF
100 pF

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Electrostatic and Capacitance
If three 10 uF capacitors are connected in parallel, the net cararitance is

40 uF
30 uF
15 uF
20 uF

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Electrostatic and Capacitance
The minimum value of potential gradient in a cable occurs in

uniformly all over
outer sheath
insulation
conductor

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

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Electrostatic and Capacitance
The sparking between two electrical contacts can be reduced by inserting a

None of these
resistance in line
capacitor in series with each contact
capacitor in parallel with contacts

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