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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following materials has the highest value of dielectric constant?

Ceramic
Paper
Glass
Mica

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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
All of the listed here
Electrolytic Capacitor
Paper capacitor

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Electrostatic and Capacitance
In order to remove static electricity from machinery

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

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Electrostatic and Capacitance
capacitors are used in transistor circuits.

Air
Paper
Ceramic
Electrolytic

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Electrostatic and Capacitance
The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by

1/RC
C/R
RC
R/C

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Electrostatic and Capacitance
While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is

Open-circuit
Short-circuit
Leaky
Alright

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