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Electrostatic and Capacitance

Electrostatic and Capacitance
Capacitors are mainly used for radio frequency tuning.

Paper
Mica
Air
Electrolytic

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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

10 µF
2 µF
4 µF
1.5 µF

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Electrostatic and Capacitance
The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

60 N
40 N
30 N
120 N

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Electrostatic and Capacitance
In order to remove static electricity from machinery

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

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Electrostatic and Capacitance
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?

Both will have identical value of capacitance
Mica capacitor
It depends on applied voltage
Ceramic capacitor

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Electrostatic and Capacitance
An uncharged capacitor and a 1 kΩ resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is

6 V
2 V
0 V
3 V

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MORE MCQ ON Electrostatic and Capacitance

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