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Electrostatic and Capacitance

Electrostatic and Capacitance
Dielectric strength ______ with increasing thickness

decreases
remains unaltered
None of these
increases

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Electrostatic and Capacitance
The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value.

62, final
62, initial
37, initial
37, final

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Electrostatic and Capacitance
1 volt/meter is same as

1 newton/meter
1 joule/coulomb
1 meter/coulomb
1 newton meter

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Electrostatic and Capacitance
A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is

4.86 µF
100 µF
2.43 µF
152 µF

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

15 uF
30 uF
40 uF
20 uF

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

0.2
0.0002
2.0
0.002

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