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Electrostatic and Capacitance

Electrostatic and Capacitance
A 0.01 µF capacitor equals how many picofarads?

100,000 pF
100 pF
1,000 pF
10,000 pF

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Electrostatic and Capacitance
Mica capacitors are characterised by all of the following except

low leakage reactance
low losses
accurate value
stable operation

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Electrostatic and Capacitance
The value of dielectric constant for vacuum is taken as

1
2
3
0

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Electrostatic and Capacitance
A 2 µF, a 4 µF, and a 10 µF capacitor are connected in series. The total capacitance is less than

4 µF
10 µF
2 µF
1.5 µF

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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, final
37, initial

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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

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

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