Home
Class 12
PHYSICS
A parallel plate capacitor of capacitanc...

A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V. If a dielectric material of dielectric constant `K= (5)/(3)` is inserted between the plates, the magnitude of the induced charge will be :

A

2.4 nC

B

0.9 nC

C

1.2 nC

D

0.3 nC

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise CRITICAL THINKING|67 Videos
  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

Similar Questions

Explore conceptually related problems

A parallel plate capacitor of capacitance 100muF is connected a power supply of 200 V. A dielectric slab of dielectric constant 5 is now inserted into the gap between the plates. (a) Find the extra charge flown through the power supply and the work done by the supply. (b) Find the change in the electrostatic energy of the electric field in the capacitor.

A capacitor of capacitance 200 mu F is connected to a 200V battery. Dielectric material of dielectric constant 2 is introduce in between the plates of the capacitor. Find change in energy stored in the process.

A parallel capacitor of capacitance C is charged and disconnected from the battery. The energy stored in it is E . If a dielectric slab of dielectric constant 6 is inserted between the plates of the capacitor then energy and capacitance will become.

A parallel plate capacitor of capacitance 200muF is connected to a battery of 200 V. A dielectric slab of dielectric 2 is now inserted into the space between plates of capacitor while the battery remain connected .The change in the electrostatic energy in the capacitor will be __________J.

A parallel plate capacitor has a capacitance of "5pF" ,a plate area of 20.0mm^(2) and voltage across it is 10V.A dielectric slab with dielectric constant "5" is introduced in between the plates.Find the magnitude of the induced surface charge on the slab.

Two identical parallel plate capacitors are connected in series to a battery of 100V . A dielectric slab of dielectric constant 4.0 is inserted between the plates of second capacitor. The potential difference across the capacitors will now be respectively

A parallel plate capacitor having capacitance C farad is connected with a battery of emf V volts. Keeping the capacitor cannected with the battery, a dielectric slab of dielectric constant K is inserted between the plates. The dimensions of the slab are such that it fills the space between the capacitor plates. Then,

A parallel plate capacitor carries a harge Q. If a dielectric slab with dielectric constant K=2 is dipped between the plates, then

A parallel plate capacitor is connecyed to a battery of emf V volts as shown. Now a slab of dielectric constant k=2 is inserted between the plates of capacitor without disconnecting the battery. The electric field between the plates of capacitor after inserting the slab is E= (PV)/(2d) . Find the value of P.

TARGET PUBLICATION-ELECTROSTATICS-COMPETITIVE THINKING
  1. The insulated plates of a charged parallel plate capacitor ( wi...

    Text Solution

    |

  2. A parallel plate condenser has a capacitance 50 muF in air and 100 muF...

    Text Solution

    |

  3. A parallel plate capacitor of capacitance 90 pF is connected to a batt...

    Text Solution

    |

  4. On increasing the plate separation of a charged condenser, the energy

    Text Solution

    |

  5. A charge of 40 mu C is given to a capacitor having capaci...

    Text Solution

    |

  6. A 12 pF capacitor is connected to a 50 V battery. How much electrost...

    Text Solution

    |

  7. A system of 2 capacitors of capacitance 2 mu F and 4 mu F ...

    Text Solution

    |

  8. A 5 mu F capacitor is connected in series with a 10 mu F ...

    Text Solution

    |

  9. The energy required to charge a parallel plate condenser of plate sepa...

    Text Solution

    |

  10. A capacitor of capacitance 6 mu F is charged upto 100 vo...

    Text Solution

    |

  11. The work done in placing a charge of 8xx10^-18 coulomb on a condenser ...

    Text Solution

    |

  12. The voltage of clouds is 4 xx 10 ^( 6 ) volt with respec...

    Text Solution

    |

  13. The graph between the voltage and charrge of a capacitor is as shown i...

    Text Solution

    |

  14. A 4mu F conductor is charged to 400 volts and then its plates are join...

    Text Solution

    |

  15. A 700 pF capacitor is charged by a 50 V battery. The electrostatic ene...

    Text Solution

    |

  16. Capacity of a capacitor is 48mu F. When it is charged from 0.1 C to 0....

    Text Solution

    |

  17. The amount of work done in increasing the voltage across the plates of...

    Text Solution

    |

  18. A series combination of N(1) capacitors (each of capacity C(1)) is cha...

    Text Solution

    |

  19. Three capacitors of capacities C 1, C 2, C 3 are connected ...

    Text Solution

    |

  20. Three parallel plate air capacitors are connected in parallel. Each ca...

    Text Solution

    |