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Electrostatic and Capacitance

Electrostatic and Capacitance
Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is

23.41 Ω
46.8 Ω
11.70 Ω
4.68 Ω

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

KW
KVA
KV
KVAR

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Electrostatic and Capacitance
The bridge used for the measurement of the value of the capacitance is

Maxwell bridge
Hay's bridge
Schering bridge
Wheastone bridge

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Electrostatic and Capacitance
In the case of a lossy capacitor, its series equivalent resistance value will be

large
zero
small
very small

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Electrostatic and Capacitance
A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is

82 x 105 V/m
62 x 105 V/m
92 x 105 V/m
72 x 105 V/m

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Charge on the capacitor increases
Charge on the capacitor decreases
Voltage across the plates increases
Voltage across the plates decreases

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