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Electrostatic and Capacitance

Electrostatic and Capacitance
The breakdown voltage for paper capacitors is usually

2000 to 3000 volts
200 to 1600 volts
more than 10000 volts
20 to 60 volts

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

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

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

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

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Electrostatic and Capacitance
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will

None of the listed here
Decrease
Increase
Remains same

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Electrostatic and Capacitance
The number of Faraday tubes of flux passing through a surface in an electric field is called

Magnetic flux density
Electric flux density
Electric intensity
Electric flux

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Electrostatic and Capacitance
The dissipation factor of a good dielectric is of the order of

0.0002
0.002
0.2
2.0

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MORE MCQ ON Electrostatic and Capacitance

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