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Electrostatic and Capacitance

Electrostatic and Capacitance
The capacity of capacitor bank used in power factor correction is expressed in terms of

KVAR
KW
KV
KVA

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

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

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Electrostatic and Capacitance
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is

0.4 s
1.2 s
0.6 s
0.8 s

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

30 uF
20 uF
15 uF
40 uF

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Electrostatic and Capacitance
At a point is equal to the negative potential gradient at that point.

Electric flux
Magnetic flux
Magnetic flux density
Electric intensity

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Electrostatic and Capacitance
A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is

150 joules
50 joules
250 joules
200 joules

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MORE MCQ ON Electrostatic and Capacitance

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