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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor can be used for

AC & DC both
None of the listed here
DC only
AC only

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

Triples
Doubles
Stays the same
Is cut to one-third

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Electrostatic and Capacitance
To prevent the generation of static charges on rubber or flat leather

Conductive dressing is done
Oil compound dressing is done
Talcum powder is sprayed on the surface
Surface is moistened

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Electrostatic and Capacitance
Dielectric strength of a medium is usually expressed in

C/mm
None of the listed here
N/mm
KV/mm

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Electrostatic and Capacitance
In order to remove static electricity from machinery

insulate the machinery
humidify the surroundings
construct insulated cabins
ground the framework

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Electrostatic and Capacitance
An uncharged capacitor and a 1 kΩ resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is

0 V
3 V
2 V
6 V

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MORE MCQ ON Electrostatic and Capacitance

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