ELECTROSTATIC AND CAPACITANCE QUIZ

Which of the following statements is incorrect ?

The leakage resistance of ceramic capacitors is generally high

A wire cable has distributed capacitance between the conductors

The stored energy in a capacitor increases with applied voltage

The stored energy in a capacitor decreases with reduction in value of capacitance

TRUE ANSWER : ?
YOUR ANSWER : ?

An electrolytic capacitor is generally made to provide

Large value of capacitance

Variable capacitance

Low capacitance

Fixed capacitance

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following capacitors can be used for temperature compensation ?

Air capacitor

Ceramic capacitor

Paper capacitor

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following capacitors of identical rating which one will have the smallest dimensions ?

Paper capacitor

Ceramic capacitor

Aluminium foil capacitor

Mica capacitor

TRUE ANSWER : ?
YOUR ANSWER : ?

The dielectric constant of glass is given by

2 to 4

5 to 100

0.1 to 0.4

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?

Mica capacitor

Ceramic capacitor

Both will have identical value of capacitance

It depends on applied voltage

TRUE ANSWER : ?
YOUR ANSWER : ?

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

TRUE ANSWER : ?
YOUR ANSWER : ?

A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

Paper capacitor

Mica capacitor

Electrolytic Capacitor

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Dielectric strength of mica is

300 to 500 kV/mm

10 to 20 kV/mm

30 to 50 kV/mm

50 to 200 kV/mm

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is that property of a capacitor which delays any change of voltage across it.

Inductance

None of these

Potential gradient

Capacitance

TRUE ANSWER : ?
YOUR ANSWER : ?

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