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Electrostatic and Capacitance

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 ?

150 pF
50 pF
200 pF
100 pF

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Electrostatic and Capacitance
The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be

36 x 107 N
36 x 108 N
36 x 109 N
36 x 10 fa

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Electrostatic and Capacitance
capacitors are used in transistor circuits.

Ceramic
Electrolytic
Air
Paper

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

Triples
Is cut to one-third
Doubles
Stays the same

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Electrostatic and Capacitance
Dielectric strength of a material depends on

thickness
all of the listed here
temperature
moisture content

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Electrostatic and Capacitance
A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage?

800 V
0.88 V
8 V
80 V

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