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Electrostatic and Capacitance

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

Charged
Short-circuited
Satisfactory
Lossy

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

Paper
Electrolytic
Air
Mica

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Electrostatic and Capacitance
The minimum value of potential gradient in a cable occurs in

insulation
outer sheath
conductor
uniformly all over

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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 ?

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

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Electrostatic and Capacitance
The total deficiency or excess of electrons in a body is known as

Charge
Current
Potential gradient
Voltage

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Electrostatic and Capacitance
If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because

discharge current can flow
of high peak value
varying voltage produces the charging and dicharging currents
charging current can flow

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