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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following capacitors preferred for high frequency circuits ?

Mica capacitor
Electrolytic capacitor
Air capacitor
None of these

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Electrostatic and Capacitance
If three 10 uF capacitors are connected in parallel, the net cararitance is

20 uF
40 uF
15 uF
30 uF

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Electrostatic and Capacitance
Paper capacitors usually have a tolerance of

± 10%
None of the listed here
± 5%
± 15%

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

Mica
Air
Paper
Ceramic

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Electrostatic and Capacitance
When the plate area of a capacitor increases,

The capacitance decreases
The capacitance increases
The voltage it can withstand increases
The capacitance is unaffected

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Electrostatic and Capacitance
The capacitor preferred for high frequency circuits is

Air
Mica
None of the listed here
Paper

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