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Electrostatic and Capacitance

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

Electrolytic
Mica
Paper
Air

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

Charged
Satisfactory
Lossy
Short-circuited

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Electrostatic and Capacitance
Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?

300 times
50 times
100 times
150 times

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Electrostatic and Capacitance
“The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”.The above statement is associated with

Lenz’s law
Faraday’s law
Gauss’s law
Kirchhoff's law

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Electrostatic and Capacitance
Which of the following capacitors is marked for polarity ?

Electrolytic
Mica
Paper
Air

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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 ?

Mica capacitor
Paper capacitor
Electrolytic Capacitor
All of the listed here

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MORE MCQ ON Electrostatic and Capacitance

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