Home
Class 11
PHYSICS
A portion of a conductive wire is bent i...

A portion of a conductive wire is bent in the form of a semicircle of radius r as shown below in fig. at centre of semicircle, the magnetic induction will be

A

zero

B

infinite

C

`(mu_(0))/(4pi).(2pii)/(r)`

D

`(mu_(0))/(4pi).(pii)/(r)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

semicircle of radius R. The electric field at the centre is -

The magnetic induction at centre O Fig.

A wire of length l and mass m is bent in the form of a semicircle. The gravitational field intensity at the centre of semicircle is

A wire of length 36 cm is bent in the form of a semicircle. What is the radius of the semicircle?

Find the centre of gravity of a thin wire bent to a semicircle of radius r.

A wire is bent in the form of a circular arc of radius r with a straight portion AB. If the current in the wire is i , then the magnetic induction at point O is

A conducting rod AB is bent in the form of a semicircle of radius R. It is kept in a region of uniform magnetic field B such that plane of semicircle is perpendicular to magnetic field. This rod is being moved with a constant speed v perpendicular to AB. Find the emf developed between the ends.

A uniform wire of length l and mass M is bent in the shape of a semicircle of radius r as shown in figure. Calculate moment of intertia about the axis XX'

The magnetic field at the centre of semicircle o in the figure is

DISHA-MOVING CHARGES AND MAGNETISM-PHYSICS
  1. An insulating rod of length I carries a charge q distrubuted uniformly...

    Text Solution

    |

  2. A portion of a conductive wire is bent in the form of a semicircle of ...

    Text Solution

    |

  3. A closely wound solenoid of 2000 turns and area of cross-section 1.5xx...

    Text Solution

    |

  4. An alternate electric field of frequency v, is applied across the dees...

    Text Solution

    |

  5. A glavanometer of 50 Omega resistance has 25 divisions. A current o...

    Text Solution

    |

  6. If we double the radius of a current carrying coil keeping the current...

    Text Solution

    |

  7. A particle mass m charge Q and kinetic energy T eneters transverse un...

    Text Solution

    |

  8. A 10eV electron is circulating in a plane at right angles to a uniform...

    Text Solution

    |

  9. A uniform electric field and a uniform magneitc field exist in a regio...

    Text Solution

    |

  10. Proton , deuton and alpha particle of same kinetic energy are moving i...

    Text Solution

    |

  11. A moving coil galvanometer has 150 equal divisions. Its current sensit...

    Text Solution

    |

  12. A 2 muC charge moving around a circle with a frequency of 6.25xx10^(12...

    Text Solution

    |

  13. A charged particle with charge q enters a region of constant, uniform ...

    Text Solution

    |

  14. A square current carrying loop is suspended in a unifrom magnetic ...

    Text Solution

    |

  15. A straight section PQ of a circuit lise along the X-axis from x=-a/2 t...

    Text Solution

    |

  16. A and B are two conductors carrying a current i in the same direction ...

    Text Solution

    |

  17. A galvanometer of resistance G is shunted by a resistance S ohm. To...

    Text Solution

    |

  18. A current I flows an infinitely long wire with cross section in the fo...

    Text Solution

    |

  19. Two equal electric currents are flowing perpendicular to each other as...

    Text Solution

    |

  20. A closed loop PQRS carrying a current is place in a unifrom magnetic ...

    Text Solution

    |