Home
Class 11
PHYSICS
A circular ring carries a uniformly dist...

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

Text Solution

Verified by Experts

The correct Answer is:
B
`E=(KQr)/((R^(2)+r^(2))^(3//2))`
It is maximum at `r=pmR/sqrt(2)` and also E is not a linear function of `r`.
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN|Exercise Exercise-03|1 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Exercise-04|1 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Exersice -05(B)|19 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN|Exercise BEGINNER S BOX-7|8 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

Similar Questions

Explore conceptually related problems

A spherical shell of radius R has a uniformly distributed charge ,then electric field varies as

A charge of 5 nC is uniformly distributed on a ring of radius 4 cm. Find the potential at the axis at a distance of 3 cm from the center.

A ring of radius R carries a uniformly distributed charge +Q. A point charge -q is placed on the axis of the ring at a distance 2R from the centre of the ring and released from rest. The particle executes a simple harmonic motion along the axis of the ring. State True or False.

A circular ring carries a uniformly distributed positive charge and lies in the xy plane with center at the origin of the cooredinate system. If at a point (0,0,z) the electric field is E, then which of the following graphs is correct?

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

A hallow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre:

The electric field of an electric dipole at a point on its axis , at a distance d from the centre of the dipole, varies as

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 conducting shell of radius R carries charge -Q . A point charge +Q is placed at the centre. The electric field E varies with distance r (from the centre of the shell) as

A charge q is uniformly distributed over a quarter circular ring of radius r . The magnitude of electric field strength at the centre of the ring will be

ALLEN-MISCELLANEOUS-Exercise-02
  1. The charge per unit length of the four quadrant of the ring is 2 lambd...

    Text Solution

    |

  2. The figure shows a non-conducting ring which has positive and negative...

    Text Solution

    |

  3. A circular ring carries a uniformly distributed positive charge .The e...

    Text Solution

    |

  4. Find the force experienced by a semicircular rod having a charge q as ...

    Text Solution

    |

  5. Which of the following is true for the figure showing electric lines o...

    Text Solution

    |

  6. An electric charge 10^(-8)C is placed at the point (4m, 7m, 2m). At t...

    Text Solution

    |

  7. Ratio of amplitude for two wave is 11:6.Find the ratio of intensity?

    Text Solution

    |

  8. Two particles X and Y, of equal masses and with unequal positive charg...

    Text Solution

    |

  9. Two particles X and Y, of equal masses and with unequal positive charg...

    Text Solution

    |

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

    Text Solution

    |

  11. The potential as a function of x is plotted in figure. Which of the fo...

    Text Solution

    |

  12. Four charges of 6 muC,2muC,-12muC and 4 muC are placed at the corners ...

    Text Solution

    |

  13. Potential at a point A is 3 volt and at a point B is 7 volt, an electr...

    Text Solution

    |

  14. A particle of charge 1 mu C & mass 1 g moving with a velocity of 4 ...

    Text Solution

    |

  15. A particle of mass m and charge q is thrown in a region where uniform ...

    Text Solution

    |

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

    Text Solution

    |

  17. The diagram shows a small bead of mass m carrying charge q. The bead c...

    Text Solution

    |

  18. The diagram shows three infinitely long uniform line charges placed on...

    Text Solution

    |

  19. The electric potential decreases uniformly from V to -V along X-axis i...

    Text Solution

    |

  20. A proton and a ionized deuterium are initially at rest and are acceler...

    Text Solution

    |