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Electrostatic and Capacitance

Electrostatic and Capacitance
The true power in a capacitor is zero.

1

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Electrostatic and Capacitance
The capacitor preferred for high frequency circuits is

Paper
Air
None of the listed here
Mica

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Electrostatic and Capacitance
In order to remove static electricity from machinery

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

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Electrostatic and Capacitance
Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is

0.56 x 1015 m/s2
1.6 x 1015 m/s2
1.5 x 1015 m/s2
1.76 x 1015 m/s2

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

2.0
0.0002
0.2
0.002

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Electrostatic and Capacitance
While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is

Open-circuit
Alright
Leaky
Short-circuit

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