Electrostatics Archives - MCQ and Quiz for Exams

1. 1 volt/meter is same as

1 meter/coulomb

1 newton/meter

1 newton/coulomb

1 joule/coulomb

Detailed Solution1 volt/meter is same as

2. The sparking between two electrical contacts can be reduced by inserting a

capacitor in parallel with contacts

capacitor in series with each contact

resistance in line

none of the above

Detailed SolutionThe sparking between two electrical contacts can be reduced by inserting a

3. Dielectric strength of a medium is usually expressed in

J/mm

C/m2

kV/mm

N/mm

Detailed SolutionDielectric strength of a medium is usually expressed in

4. Which of the following material has least value of dielectric constant ?

Ceramics

Oil

Glass

Paper

Detailed SolutionWhich of the following material has least value of dielectric constant ?

5. Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them

all in series

all in parallel

two in parallel and third in series with this combination

two in series and third in parallel across this combination

Detailed SolutionThree capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them

6. If a third equal and similar charge is placed between two equal and similar charges, then this third charge will

move out of the field of influence of the two charges

remain in stable equilibrium

not be in equilibrium

be in unstable equilibrium

Detailed SolutionIf a third equal and similar charge is placed between two equal and similar charges, then this third charge will

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