Home
Class 12
PHYSICS
A conducting sphere A of radius a ,with ...

A conducting sphere `A` of radius `a` ,with charge `Q` , is placed concentrically inside a conducting shell `B` of radius `b` . `B` is earthed. `C` is the common centre of the `A` and `B`

A

The field at a distance `r` from `C`, where `ale rle b`, is `k Q/(r^(2))`

B

The potential at a distance `r` from `C` where `ale r le b` is `k Q/r`.

C

The potential difference between `A` and `B` is `kQ(1/a-1/b)`.

D

The potential at a distance `r` from `C`, where `g le r le b`, is `kQ(q/r-1/b)`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETISM

    D MUKHERJEE|Exercise All Questions|91 Videos

  • EXPERIMENTAL PHYSICS

    D MUKHERJEE|Exercise chose the correct|4 Videos

Similar Questions

Explore conceptually related problems

A conducting sphere A of radius a , with charge Q , is placed concentrically inside a conducting shell B of radius b . B is earthed. C is the common center of A and B . Study the following statements. (i) The potential at a distance r from C , where a le r le b, is (1)/(4 pi epsilon_0)(q/( r)) (ii) The potential difference between A and B is (1)/(4 pi epsilon_0) Q ((1)/( r) - (1)/B) (iii) The potential at a distance r from C , where a le r le b, is (1)/(4 pi epsilon_0) Q ((1)/r - (1)/B) Which of the following statements are correct ? .

A conducting sphere A of radius a, with charge Q is placed concentrically inside a conducting shell B of radius b. B is earthed, C is the common centre of A and B. If P is the point between shells A and B at distance r from center C then Match the proper entries from column-2 to column-1 using the codes given below the columns, (use a=1m,b=3m,r=2m and K=(1)/(4piepsilon_(o)) )

A small conducting sphere of radius a, carrying a charge +Q , is placed inside an equal and oppositely charged conducting shell of radius b such that their centers coincide. Determine the potential at a point which is at a distance c from center such that a lt c lt b .

A conducting sphere of radius R, carrying charge Q, lies inside uncharged conducting shell of radius 2R. If they are joined by a metal wire,

A spherical conductor A of radius r is placed concentrically inside a conducting shell B of radius R(R gt r) . A charge Q is given to A , and then A is joined to B by a metal wire. The charge flowing from A to B will be

A solid conducting sphere of radius 'a' is surrounded by a thin uncharged concentric conducting shell of radius 2a . A point charge q is placed at a distance 4a from common centre of conducting sphere and shell. The inner sphere is then grounded The charge on solid sphere is

A solid conducting sphere of radius 'a' is surrounded by a thin uncharged concentric conducting shell of radius 2a . A point charge q is placed at a distance 4a from common centre of conducting sphere and shell. The inner sphere is then grounded The potential of outer shell is

A solid conducting sphere of radius 'a' is surrounded by a thin uncharged concentric conducting shell of radius 2a . A point charge q is placed at a distance 4a from common centre of conducting sphere and shell. The inner sphere is then grounded Pick up the correct statement.

D MUKHERJEE-ELECTROSTATICS-All Questions
  1. The seperation between the plates of a parallel -plate capacitor is ma...

    Text Solution

    |

  2. A parallel-plate capacitor is charged from a cell and then disconnecte...

    Text Solution

    |

  3. In the circuit shown each capacitor has a capcitance C. The emf of the...

    Text Solution

    |

  4. In a parallel-plate capacitor of plate area A, plate separation d and ...

    Text Solution

    |

  5. The capacitance of a parallel -plate capacitor is C(0) when the region...

    Text Solution

    |

  6. A parallel plate air capacitor of capacitance C is connected to a cell...

    Text Solution

    |

  7. A conducting sphere A of radius a ,with charge Q , is placed concentri...

    Text Solution

    |

  8. A non conduction ring of radius R Has uniformly distributed positive ...

    Text Solution

    |

  9. Two positively charged particles X and Y are initially far away from ...

    Text Solution

    |

  10. Two particles X and Y of equal mass and with unequal positive charges,...

    Text Solution

    |

  11. In a uniform electric field, the potential is 10V at the origin of co...

    Text Solution

    |

  12. Two conducting concentric, hollow spheres A and B have radii a and b r...

    Text Solution

    |

  13. A positive charge is fixed at the origin of coordinates. An electri di...

    Text Solution

    |

  14. An electric dipole is fixed at the origin of coordinates. Its moment i...

    Text Solution

    |

  15. In a regular polygon of n sides, each corner is at a distance r from t...

    Text Solution

    |

  16. A,B,C and D are identical, parallel , conducting plates arranged as sh...

    Text Solution

    |

  17. A is a nonconducting ring and B is a conducting ring. They have the sa...

    Text Solution

    |

  18. A drop of mercury has some charge. If it breaks up into a number of in...

    Text Solution

    |

  19. A,B,C are identical, parallel conducting plates arranged at equal sepa...

    Text Solution

    |

  20. A and B are two hollow, concentric, conducting spheres, with A inside ...

    Text Solution

    |