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

A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20V. 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 n C

B

0.9 n C

C

1.2 n C

D

0.3 n C

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CAPACITANCE

    RESONANCE|Exercise High Level Problems|16 Videos

  • CAPACITANCE

    RESONANCE|Exercise Exercise - 2|74 Videos

  • ATOMIC PHYSICS

    RESONANCE|Exercise Advanved level problems|17 Videos

  • COMMUNICATION SYSTEMS

    RESONANCE|Exercise Exercise 3|13 Videos

Similar Questions

Explore conceptually related problems

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 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 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.

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

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 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.

A parallel plate capacitor (without dielectric) is charged by a battery and kept connected to the battery. A dielectric salb of dielectric constant 'k' is inserted between the plates fully occupying the space between the plates. The energy density of electric field between the plates will:

RESONANCE-CAPACITANCE-Exercise - 3
  1. A parallel plate capacitor has a dielectric slab of dielectric constan...

    Text Solution

    |

  2. A parallel plate capacitor having plates of area S and plate separatio...

    Text Solution

    |

  3. In the circuit shown below, the key is pressed at time t = 0 . Which o...

    Text Solution

    |

  4. Consider a simple RC circuit as shown in figure 1. Process 1 : In th...

    Text Solution

    |

  5. Consider a simple RC circuit as shown in figure 1. Process 1 : In th...

    Text Solution

    |

  6. Three identical capacitors C(1),C(2) and C(3) have a capacitance of 1...

    Text Solution

    |

  7. A battery is used to charge a parallel plate capacitor till the potent...

    Text Solution

    |

  8. A parallel plate condenser with a dielectric of dielectric constant K ...

    Text Solution

    |

  9. A parallel plate capacitor with air between the plates has capacitance...

    Text Solution

    |

  10. LetC be the capacitance of a capacitor discharging through a resistor ...

    Text Solution

    |

  11. A resistor 'R' and 2(mu)F capacitor in series is connected through a s...

    Text Solution

    |

  12. Combination fo two identical capacitors, a resistor R and a dc voltage...

    Text Solution

    |

  13. The figure shows an experimental plot discharging of a capacitor in an...

    Text Solution

    |

  14. Two capacitors C1 and C2 are charged to 120V and 200V respectively. It...

    Text Solution

    |

  15. A parallel plate capacitor is made of two circular plates separated by...

    Text Solution

    |

  16. In the givven circuit, charge Q2 on the 2muF capacitor changes as C is...

    Text Solution

    |

  17. A combination of capacitors is set up as shown in the figure. The magn...

    Text Solution

    |

  18. A capacitance of 2mu F is required in an electrical circuit across ...

    Text Solution

    |

  19. In the given circuit digram when the current reaclies steady state in ...

    Text Solution

    |

  20. A parallel plate capacitor of capacitance 90 pF is connected to a bat...

    Text Solution

    |