# General Science/Basic Science Capacitor Sample Test,Sample questions

1.?/2?o

2.Q/2A?o

3.V/d

4.Vd

1.10-6 F

2.10-12 F

3.10-3 F

4.10-9 F

## Question: `Capacitor stores`

1.magnetic energy

2.chemical energy

3.electrical energy

4.heat energy

1.transformers

2.capacitors

3.inductors

4.resistors

## Question: `If a negatively charged conductor is brought near a positively charged conductor its potential`

1.increases

2.decreases

3.remains the same

4.becomes zero

## Question: `In parallel combination of capacitors`

1.charges on the capacitors are same

2.potential difference across each capacitor is same

3.current on the capacitors is same

4.both charges end potentials are same

1.10-5 F

2.10-3 F

3.10-9 F

4.10-6 F

1.C = V/Q

2.C = Q/V

3.C = VQ

4.C = QV

1.2.478 ? 10-9F

2.0.2478 ? 10-9F

3.2.478 ? 10+9F

4.2.478 F

## Question: `The capacitance of a capacitor when the distance between the two plates is doubled`

1.reduce to zero

2.is doubled

3.remains the same

4.is halved

1.A?r/d

3.A ?o ?r/d

4.d/ A ?o ?r

1.6 �F

2.2 �F

3.8 �F

4.1 �F

1.1 �C

2.10-3 C

3.1 C

4.1000 C

1.voltage rating

2.current rating

3.capacitance

4.power rating

1.2 ? 10-7 volts

2.2 ? 10-5 volts

3.50 volts

4.500 volts

## Question: `The ratio of the charge to potential is`

1.resistance

2.current

3.temperature co-efficient of resistance

4.capacitance

1.coulomb

2.joule

3.volt

1.50 �F

2.25 �F

3.8 �F

4.30 �F

1.not charge

2.decrease

3.increase

4.tend to zero

## Question: `When the charging source is disconnected the charges given to the plates of an ideal capacitor`

1.increases

2.decreases

3.becomes zero

4.remains the same

1.8 pF

2.12 pF

3.3/2 pF

4.4 pF

## More MCQS

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