Home
Class 12
PHYSICS
A circular coil of radius 4 cm and of 20...

A circular coil of radius `4 cm` and of `20` turns carries a current of `3` amperes. It is placed in a magnetic field of intensity of `0.5 weber//m^(2)`. The magnetic dipole moment of the coil is

A

0.15 ampere `m^(2)`

B

0.3 ampere `m^(2)`

C

0.45 ampere `m^(2)`

D

0.6 ampere `m^(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A circular coil of radius 4 cm having 20 turns carries a current of 3A.It is a magnetic field of intensity 0.5 Wb//m^(2) .The magnetic dipole moment of the coil is

A circular coil of radius 4 cm having 50 turns carries a current of 2 A . It is placed in a uniform magnetic field of the intensity of 0.1 Weber m^(-2) . The work done to rotate the coil from the position by 180^@ from the equilibrium position

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

A circular coil of radius 10 cm "and" 100 turns carries a current 1A. What is the magnetic moment of the coil?

A coil of radius 2 cm and 500 turns, carries of a current of 2A. It is placed in a uniform magnetic field of induction 0.5T. What is the torque acting on the coil if theta=30◦ ?

A circular coil of radius 1*5cm carries a current of 1*5A . If the coil has 25 turns , find the magnetic field at the centre.

A circular coil of 0.2 m diameter has 100 turns and carries a current of 0.1 ampere. The intensity of magnetic field at the centre of the coil is -

A circular coil of 20 turns each of radius 10 cm and carrying a current of 5 A is placed in a uniform magnetic field of induction 0.10 T normal to the plane of the coil?

A circular coil of diameter 9 cm has 30 turns of wire which carry current of 1 ampere. The magnetic moment of the coil is

A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1 A . It is placed in a uniform magnetic field B=0.5 T with the direction of magnetic field parallel to the plane of the coil. The magnitude of the torque required to hold this coil in this position is

DISHA-MAGNETIC EFFECTS OF CURRENT-physics
  1. Statement - 1 : For a charged particle to pass through a uniform elect...

    Text Solution

    |

  2. Statement - 1 : If an electron is not deflected while passing through ...

    Text Solution

    |

  3. A circular coil of radius 4 cm and of 20 turns carries a current of 3 ...

    Text Solution

    |

  4. A circular coil of radius 4 cm has 50 turns. In this coil a current of...

    Text Solution

    |

  5. The deflection in a moving coil galvanometer is

    Text Solution

    |

  6. A moving coil galvanometer has N numbr of turns in a coil of effective...

    Text Solution

    |

  7. A current carrying loop is free to turn in a uniform magnetic field.Th...

    Text Solution

    |

  8. A 100 turns coil shown in figure carries a current of 2 amp in a magne...

    Text Solution

    |

  9. A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1...

    Text Solution

    |

  10. A circular loop of area 0.01 m^(2) carrying a current of 10 A, is held...

    Text Solution

    |

  11. The magnetic moment of a circular coil carrying current is

    Text Solution

    |

  12. What is the shape of magnet in moving coil galvanometer to make the ra...

    Text Solution

    |

  13. Current i is carried in a wire of length L. If the wire is turned into...

    Text Solution

    |

  14. In ballistic galvanometer, the frame on which the coil is wound is non...

    Text Solution

    |

  15. A solenoid of length 0.4 m and having 500 turns of wire carries a curr...

    Text Solution

    |

  16. If an electron is moving with velocity v in an orbit of radius r in a ...

    Text Solution

    |

  17. In a moving coil galvanometer, the deflection of the coil q is related...

    Text Solution

    |

  18. A thin circular wire carrying a current I has a magnetic moment M. The...

    Text Solution

    |

  19. A ring of radius R, made of an insulating material carries a charge Q ...

    Text Solution

    |

  20. The (tau - theta) graph for a current carrying coil placed in a unifor...

    Text Solution

    |