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Electrostatic and Capacitance

Electrostatic and Capacitance
If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

Short-circuited
Charged
Lossy
Satisfactory

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Electrostatic and Capacitance
In order to remove static electricity from machinery

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

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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

1.5 µF
10 µF
4 µF
2 µF

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Electrostatic and Capacitance
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is

1.2 s
0.4 s
0.8 s
0.6 s

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Electrostatic and Capacitance
Which of the following capacitors has relatively shorter shelf life ?

Mica
Ceramic
Electrolytic
Paper

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Electrostatic and Capacitance
A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

35 ms
352 ms
70.5 ms
3.5 ms

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MORE MCQ ON Electrostatic and Capacitance

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