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Electrostatic and Capacitance

Electrostatic and Capacitance
Capacitors are used for audio frequency and radio frequency coupling and tuning

Paper
Mica
Air
Ceramic

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Electrostatic and Capacitance
In a cable capacitor, voltage gradient is maximum at the surface of the

Earth
Conduction
Insulator
Sheath

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Electrostatic and Capacitance
Air capacitors are generally available in the range

100 to 500 pF
10 to 400 pF
1 to 20 pF
200 to 300 pF

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Electrostatic and Capacitance
A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

Paper capacitor
All of the listed here
Electrolytic Capacitor
Mica capacitor

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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

4.68 Ω
11.70 Ω
23.41 Ω
46.8 Ω

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Variable capacitance
Fixed capacitance
Low capacitance
Large value of capacitance

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MORE MCQ ON Electrostatic and Capacitance

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