Home
Class 11
PHYSICS
(Figure 3.139) shows three circular arcs...

(Figure 3.139) shows three circular arcs, each of radius `R` and total charge as indicated. The net electric potential at the center of curvature.
.

A

`(Q)/(2piepsilon_(0)R)`

B

`(Q)/(4piepsilon_(0)R)`

C

`(2Q)/(piepsilon_(0)R)`

D

`(Q)/(piepsilon_(0)R)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A small element l cut from a circular ring of radius a and lamda charge per unit length. The net electric field at the centre of ring is

Figure shows a rod AB, which is bent in a 120^(@) circular arc of radius R. A charge (-Q) is uniformly distributed over rod AB. What is the electric field vecE at the centre of curvature O ?

A charge +Q is uniformly distributed along the circular arc of radius R as shown in the figure.The magnitude of the force experienced by the point charge +q place at the centre of curvature is (k=(1)/(4piepsilon_(0)))

The diagram shows a part of uniformly charged disc of radius R having surface charge densityo. If electric potential at the center O is Then find N. 1 N Х OR 280 R R/2

A charge Q is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the center O of the ring. (a)

A solid of radius 'R' is uniformly charged with charge density rho in its volume. A spherical cavity of radius R/2 is made in the sphere as shown in the figure. Find the electric potential at the centre of the sphere.

The diagram shows a part of disc of radius R carrying uniformly distributed charge of density sigma . Electric potential at the centre O of parent disc is

DISHA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-PHYSICS
  1. A, B and C are three points in a unifrom electric field. The electric ...

    Text Solution

    |

  2. Three capacitors are connected in the arms of a triangle ABC as shown ...

    Text Solution

    |

  3. Two parallel metal plates having charges +Q and -Q face each other at ...

    Text Solution

    |

  4. An air capacitor C connected to a battery of e.m.f. V acquires a charg...

    Text Solution

    |

  5. Choose the wrong statement about equipotential surfaces.

    Text Solution

    |

  6. Two spherical conductors A and B of radii a and b (b gt a) are placed ...

    Text Solution

    |

  7. A capacitor is chared to store an energy U. The charging battery is di...

    Text Solution

    |

  8. Equipotentials at a great distance from a collection of charges whose ...

    Text Solution

    |

  9. Which of the following figure shows the correct equipotential surfaces...

    Text Solution

    |

  10. Two identical metal plates are given poistive charges Q1 and Q2 (ltQ1)...

    Text Solution

    |

  11. The capacitance of the capacitors of plate areas A1 and A2(A1 lt A2) a...

    Text Solution

    |

  12. In a given network the equivalent capacitance between A and B is [C(1)...

    Text Solution

    |

  13. A parallel plate air capacitor is charged to a potential difference of...

    Text Solution

    |

  14. (Figure 3.139) shows three circular arcs, each of radius R and total c...

    Text Solution

    |

  15. An electric field E = (20hati + 30 hatj) N/C exists in the space. If t...

    Text Solution

    |

  16. If a unit positive charge is taken from one point to another over an e...

    Text Solution

    |

  17. Three large plates A, B and C are placed parallel to each other and ch...

    Text Solution

    |

  18. Three charges 2q, -q, and -q are located at the vertices of an equilat...

    Text Solution

    |

  19. If a charge – 150 nC is given to a concentric spherical shell and a ch...

    Text Solution

    |

  20. Two capacitors of capacitances C(1) and C(2) are connected in parallel...

    Text Solution

    |