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Electrostatic and Capacitance

Electrostatic and Capacitance
XC is inversely proportional to frequency and capacitance.

1

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

2.0
0.2
0.0002
0.002

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Electrostatic and Capacitance
Of the following capacitors, which one has the highest dielectric constant?

Air
Paper
Mica
Glass

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

KVAR
KVA
KW
KV

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Electrostatic and Capacitance
One volt is the same as

one coulomb
one coulomb/joule
one joule/coulomb
one joule

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Electrostatic and Capacitance
A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased

VC > VR
VR > VC
VR and VC = 0
VR = VC

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