Home
Class 12
PHYSICS
A ring of radius R is placed in the plan...

A ring of radius R is placed in the plane its centre at origin and its axis along the x-asis and having uniformly distributed positive charge. A ring of radius `r(ltltR)` and coaxial with the larger ring is moving along the axis with constant velcity , then the variation of electrical flux `(phi)` passing through the smaller ring with position will be best represent by :

A

`(rhoR)/(6epsilon_(0))+E`

B

`(rhoR)/(12epsilon_(0))-E`

C

`(-rhoR)/(6epsilon_(0))+E`

D

`(rhoR)/(24epsilon_(0))+E`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL -II LECTURE SHEET (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)|20 Videos

  • ELECTROSTATICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL -II LECTURE SHEET (ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|4 Videos

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -V ELECTRIC DIPOLE) (LEVEL -II INTEGER TYPE QUESTION)|2 Videos

  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

Calculate potential on the axis of a ring due to charge Q uniformly distributed along the ring of radius R.

Charge q is uniformly distributed over a thin half ring of radius R . The electric field at the centre of the ring is

A circular ring carries a uniformly distributed positive charge .The electric field(E) and potential (V) varies with distance (r ) from the centre of thr ring along its axis as

A short electric dipole is placed at a distance x from centre O on the axis of a ring of radius R and charge Q is uniformly distributed over tis. The net force acting on the dipole will be

A positive charge Q is uniformly distributed along a circular ring of radius R .a small test charge q is placed at the centre of the ring.

A positive charge Q is uniformly distributed along a circular ring of radius R .a small test charge q is placed at the centre of the ring .The

A copper ring is held horizontally and a bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet while it is passing through the ring is

Electric charge Q is uniformly distributed around a thin ring of radius a. find the potential a point P on the axis of the ring at a distance x from the centre of the ring .

A nonconducting ring of radius R has uniformly distributed positive charge Q. A small part of the ring.of length d, is removed (d lt lt R) . The electric field at the centre of the ring will now be

The maximum electric field intensity on the axis of a uniformly charged ring of charge q and radius R will be

AAKASH SERIES-ELECTROSTATICS-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN) (STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. A particle of charge 1 mu C & mass 1 g moving with a velocity of 4 ...

    Text Solution

    |

  2. A planet of small mass m moves around the sun of mass M, along an elli...

    Text Solution

    |

  3. Two identical balls each having a density rho are suspended from a com...

    Text Solution

    |

  4. A horizontal electric field (E = (mg /q) exist in space, as shown in (...

    Text Solution

    |

  5. Electric field given by the vector vec E = x hat i + y hat j is presen...

    Text Solution

    |

  6. A unit positive point charge of mass m is projected with a velocity V ...

    Text Solution

    |

  7. A plane pi passes through the point (1,1,1) and is parallel to the vec...

    Text Solution

    |

  8. A particle of mass m and charge Q is placed in an electric filed W whi...

    Text Solution

    |

  9. Four equal positive charge are fixed at the vertical of a square of si...

    Text Solution

    |

  10. Each of the two long parallel threads carries a uniform lambda per uni...

    Text Solution

    |

  11. Mid way between two fixed equal and similar charges, we placed a third...

    Text Solution

    |

  12. A ring of radius R is placed in the plane its centre at origin and its...

    Text Solution

    |

  13. Select the correct statement : (Only force on a particle is due to ele...

    Text Solution

    |

  14. Two identical point charges are placed separation of l. P is a point o...

    Text Solution

    |

  15. If three uniform spheres, each having mass M and radius R, are kept in...

    Text Solution

    |

  16. Two identical positive charges are fixed on the y-axis, at equal dista...

    Text Solution

    |

  17. A very long straight uniformly charged thread carries a charge lambda ...

    Text Solution

    |

  18. A system consits of a uniformly charged sphere of radius R and a surro...

    Text Solution

    |

  19. Two point charges q AND 2q are placed at (a,0) and (0,a) A point charg...

    Text Solution

    |

  20. A solid sphere of radius 2.45m is rotating with an angular speed of 10...

    Text Solution

    |