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

## Question: `.The electric field intensity in between the parallel plates of a capacitor is`

1.?/2?o

2.Q/2A?o

3.V/d

4.Vd

Posted Date:-2021-10-19 16:50:04

## Question: `1 pF is equal to`

1.10-6 F

2.10-12 F

3.10-3 F

4.10-9 F

Posted Date:-2021-10-19 16:50:04

## Question: `Capacitor stores`

1.magnetic energy

2.chemical energy

3.electrical energy

4.heat energy

Posted Date:-2021-10-19 16:50:04

## Question: `Electrical charges can be stored in`

1.transformers

2.capacitors

3.inductors

4.resistors

Posted Date:-2021-10-19 16:50:04

## 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

Posted Date:-2021-10-19 16:50:04

## 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

Posted Date:-2021-10-19 16:50:04

## Question: `One microfarad is equal to`

1.10-5 F

2.10-3 F

3.10-9 F

4.10-6 F

Posted Date:-2021-10-19 16:50:04

## Question: `Pick out the correct formula connecting capacity C voltage V and the charge Q`

1.C = V/Q

2.C = Q/V

3.C = VQ

4.C = QV

Posted Date:-2021-10-19 16:50:04

## Question: `The area of each plate of a parallel plate capacitor is 4 ? 10-2m2. If the thickness of the dielectric placed in between the plates is 10-3 and the relative permittivity of the dielectric is 7 then the capacitance of the capacitor`

1.2.478 ? 10-9F

2.0.2478 ? 10-9F

3.2.478 ? 10+9F

4.2.478 F

Posted Date:-2021-10-19 16:50:04

## 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

Posted Date:-2021-10-19 16:50:04

## Question: `The capacitance of a parallel plate capacitor is`

1.A?r/d

2.Ad/ ?o ?r

3.A ?o ?r/d

4.d/ A ?o ?r

Posted Date:-2021-10-19 16:50:04

## Question: `The capacitance of a parallel plate capacitor is 2ï¿½F.If the surface area of the palte is doubled and the distance between the plates is halved what will be the capacitance of the condensor`

1.6 ï¿½F

2.2 ï¿½F

3.8 ï¿½F

4.1 ï¿½F

Posted Date:-2021-10-19 16:50:04

## Question: `The charge that can be stored in a 50ï¿½F capacitor connected to a source of potential difference of 20V is`

1.1 ï¿½C

2.10-3 C

3.1 C

4.1000 C

Posted Date:-2021-10-19 16:50:04

## Question: `The dielectric inside a capacitor basically increases`

1.voltage rating

2.current rating

3.capacitance

4.power rating

Posted Date:-2021-10-19 16:50:04

## Question: `The potential difference between the plates of a 20ï¿½F capacitor with a charge of 0.01 coulomb is`

1.2 ? 10-7 volts

2.2 ? 10-5 volts

3.50 volts

4.500 volts

Posted Date:-2021-10-19 16:50:04

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

1.resistance

2.current

3.temperature co-efficient of resistance

4.capacitance

Posted Date:-2021-10-19 16:50:04

## Question: `The unit of capacitance is`

1.coulomb

2.joule

3.volt

4.farad

Posted Date:-2021-10-19 16:50:04

## Question: `Two capacitors of capacitance 10ï¿½F and 40ï¿½F when connected in series will yield an equivalent capacitance of`

1.50 ï¿½F

2.25 ï¿½F

3.8 ï¿½F

4.30 ï¿½F

Posted Date:-2021-10-19 16:50:04

## Question: `When a glass is introduced in between the plates of a parallel plate air condenser its capacitance will`

1.not charge

2.decrease

3.increase

4.tend to zero

Posted Date:-2021-10-19 16:50:04

## 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

Posted Date:-2021-10-19 16:50:04

## Question: `When two capacitors of capacitances 2 pF and 6 pF connected in parallel the effective capacitance is`

1.8 pF

2.12 pF

3.3/2 pF

4.4 pF

Posted Date:-2021-10-19 16:50:04

## More MCQS

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