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Electrostatic and Capacitance

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

Voltage
Potential gradient
Current
Charge

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Electrostatic and Capacitance
What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?

50 pF
200 pF
100 pF
150 pF

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Electrostatic and Capacitance
Which capacitor will be physically smaller for the same ratings ?

None of these
Ceramic capacitor
Paper capacitor
Both will be of equal size

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Electrostatic and Capacitance
Paper condenser is

Always polarised
Electrolytic condenser
Usually of fixed value
None of the listed here

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Electrostatic and Capacitance
The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value

54
37
42
45

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Electrostatic and Capacitance
Which of the following capacitors will have the least value of breakdown voltage ?

Paper
Mica
Air
Electrolytic

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