Home
Class 12
PHYSICS
Charges q is uniformly distributed over ...

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

A

`(q)/(2 pi^(2) epsi_(0)R^(2))`

B

`(q)/(4 pi^(2) epsi_(0)R^(2))`

C

`(q)/(4 pi epsi_(0)R^(2))`

D

`(q)/(2 pi epsi_(0)R^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    DC PANDEY|Exercise Assertion and Reason|15 Videos

  • ELECTROSTATICS

    DC PANDEY|Exercise Match the columns|5 Videos

  • ELECTROSTATICS

    DC PANDEY|Exercise Check point 1.5|20 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY|Exercise (C) Chapter exercises|50 Videos

  • GRAVITATION

    DC PANDEY|Exercise All Questions|120 Videos

Similar Questions

Explore conceptually related problems

A charge +Q is uniformly distributed over a thin ring of the radius R. The velocity of an electron at the moment when it passes through the centre O of the ring, if the electron was initially at far away on the axis of the ring is (m=mass of electron, K=1/(4pi epsi_(0)) )

A charge Q is uniformly distributed only on the fourths portion of a ring of radius R . The elctric potential at centre of ring is

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

A positive charge Q is uniformly distributed along a circular ring of radius. A small test charge q is placed at the centre of the ring. Then A. If qgt0 and is displaced away from the centre in the plane of the ring., it will be pushed bactowards the centre. B. If qlt0 and is displced away from the centre in the plane of the ring, it will never return no the centre and will continue moving til it hits the ring. C. If qlt0 , it will performe SHM for small displacement along the axis. D. Q at the centre of the ring is in an unstable equilibrium within the plane of the ring for qgt0

A charge +Q is uniformly distributed over a thin ring of a radius R. Find the velocity of a negative point charge -Q at the moment it passes through the centre of the ring if it was initially at rest at infinity on the axis of the ring. The mass of the charge-Q is equal to m.

A charge Q is uniformly distributed over a ring of radius a.Obtain an expression for electric field intensity at a point on the axis of ring. show that at far point ring behaves as a point charge.

A charge q is unifomly distrybuted over a nonconducting ring of radius R. The ring is rotated about an axis passing through its centre and perpendicular to the plane of the ring with frequency f. The ratio of electric potential to the magnetic field at the centre of the ring depends on.

Charge is uniformly distributed around a ring of radius R = 4.60 cm, and the resulting electric field magnitude R is measured along the ring's central axis (perpendicular to the plane of the ring). At what distance from the ring's center is E maximum ?

A non conduction ring of raducs 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 now be .

DC PANDEY-ELECTROSTATICS-Taking it together
  1. The electric field at a point due to an electric dipole, on an axis in...

    Text Solution

    |

  2. If 10^(10) electrons are acquired by a body every second, the time req...

    Text Solution

    |

  3. ABC is an equilateral triangle. Charges -2q are placed at each corner....

    Text Solution

    |

  4. Two equally charged, indentical metal spheres A and B repel each other...

    Text Solution

    |

  5. Two point charges +10^(-7) C and -10^(-7)C are placed at A and B 20 cm...

    Text Solution

    |

  6. Infinite charges of magnitude q each are lying at x= 1,2,4,8….meter on...

    Text Solution

    |

  7. Two copper balls, each weighing 10 g are kept in air 10 cm apart. If o...

    Text Solution

    |

  8. A wooden block performs SHM on a frictionless surface with frequency, ...

    Text Solution

    |

  9. A thin conducting ring of radius R is given a charge +Q, Fig. The ele...

    Text Solution

    |

  10. Four point +ve charges of same magnitude(Q) are placed at four corners...

    Text Solution

    |

  11. A hollow cylinder has a charge qC within it. If phi is the electric fl...

    Text Solution

    |

  12. The adjacent diagram shows a charge +Q held on an insulating support S...

    Text Solution

    |

  13. An infinitely long thin straight wire has uniform linear charge densit...

    Text Solution

    |

  14. Two concentric conducting thin spherical shells A andB having radii rA...

    Text Solution

    |

  15. Two identical charged spheres suspended from a common point by two mas...

    Text Solution

    |

  16. An electron is released from the bottom plate A as shown in the figure...

    Text Solution

    |

  17. Charges q is uniformly distributed over a thin half ring of radius R. ...

    Text Solution

    |

  18. In the given figure two tiny conducting balls of identical mass m and ...

    Text Solution

    |

  19. Two small spheres of masses M(1)and M(2) are suspended by weightless i...

    Text Solution

    |

  20. At which distance along the centre axis of a uniformaly charged plasti...

    Text Solution

    |