One microfarad is equal to

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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 09:50:04

More MCQS Questions and answers

  1. .The electric field intensity in between the parallel plates of a capacitor is
  2. 1 pF is equal to
  3. Capacitor stores
  4. Electrical charges can be stored in
  5. If a negatively charged conductor is brought near a positively charged conductor its potential
  6. In parallel combination of capacitors
  7. One microfarad is equal to
  8. Pick out the correct formula connecting capacity C voltage V and the charge Q
  9. 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
  10. The capacitance of a capacitor when the distance between the two plates is doubled
  11. The capacitance of a parallel plate capacitor is
  12. The capacitance of a parallel plate capacitor is 2�F.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
  13. The charge that can be stored in a 50�F capacitor connected to a source of potential difference of 20V is
  14. The dielectric inside a capacitor basically increases
  15. The potential difference between the plates of a 20�F capacitor with a charge of 0.01 coulomb is
  16. The ratio of the charge to potential is
  17. The unit of capacitance is
  18. Two capacitors of capacitance 10�F and 40�F when connected in series will yield an equivalent capacitance of
  19. When a glass is introduced in between the plates of a parallel plate air condenser its capacitance will
  20. When the charging source is disconnected the charges given to the plates of an ideal capacitor
  21. When two capacitors of capacitances 2 pF and 6 pF connected in parallel the effective capacitance is

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

Answer 3

Question :- 1 pF is equal to

1.10-6 F

2.10-12 F

3.10-3 F

4.10-9 F

Answer 2

Question :- Capacitor stores

1.magnetic energy

2.chemical energy

3.electrical energy

4.heat energy

Answer 3

Question :- Electrical charges can be stored in

1.transformers

2.capacitors

3.inductors

4.resistors

Answer 2

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

Answer 2

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

Answer 2

Question :- One microfarad is equal to

1.10-5 F

2.10-3 F

3.10-9 F

4.10-6 F

Answer 4

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

Answer 2

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

Answer 1

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

Answer 4

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

Answer 3

Question :- The capacitance of a parallel plate capacitor is 2�F.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 �F

2.2 �F

3.8 �F

4.1 �F

Answer 3

Question :- The charge that can be stored in a 50�F capacitor connected to a source of potential difference of 20V is

1.1 �C

2.10-3 C

3.1 C

4.1000 C

Answer 2

Question :- The dielectric inside a capacitor basically increases

1.voltage rating

2.current rating

3.capacitance

4.power rating

Answer 3

Question :- The potential difference between the plates of a 20�F 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

Answer 4

Question :- The ratio of the charge to potential is

1.resistance

2.current

3.temperature co-efficient of resistance

4.capacitance

Answer 4

Question :- The unit of capacitance is

1.coulomb

2.joule

3.volt

4.farad

Answer 4

Question :- Two capacitors of capacitance 10�F and 40�F when connected in series will yield an equivalent capacitance of

1.50 �F

2.25 �F

3.8 �F

4.30 �F

Answer 3

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

Answer 3

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

Answer 4

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

Answer 1
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