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Electrostatic and Capacitance

Electrostatic and Capacitance
Electric field intensity is a quantity

None of the listed here
Vector quantity
Scalar quantity
Both Vector & Scalar quantity

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Electrostatic and Capacitance
In the case of a lossy capacitor, its series equivalent resistance value will be

very small
zero
small
large

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Electrostatic and Capacitance
A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is

92 x 105 V/m
62 x 105 V/m
82 x 105 V/m
72 x 105 V/m

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

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

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

None of the listed here
AC only
DC only
Both DC and AC

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Large value of capacitance
Low capacitance
Variable capacitance
Fixed capacitance

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