Home
Class 12
PHYSICS
The product of nuber of turns,area of co...

The product of nuber of turns,area of coil and current is

A

Electric dipole

B

Magnetic dipole moment

C

Magnetic dipole

D

Magnetic potential

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos
  • MCQS FROM BOARD EXAM

    NIKITA PUBLICATION|Exercise COMMUNICATION SYSTEMS|7 Videos

Similar Questions

Explore conceptually related problems

The product of ampere turn and area of coil is

The product of number of turns and current of loop is

In a primary coil 5A current is flowing on 220 volts. In the secondary coil 2200V voltage produces. Then ratio of number of turns in secondary coil and primary coil will be

Assertion: The tangent galvanometer can be made more sensitive by increasing the number of turns of its coil. Reason: Current through galvanometer is proportional to the number of turns of coil.

A step down transformer is used at 220 V to provide a current of 0.5 A to a 15 W bulb. If the secondary has 20 turns, find the number of turns in primary coil has current that flows in primary coil.

A circular coi9l of radius r and nuber of turns n cirries a current I. The fields at a small distance h along the axis of the coil and the at the centre of the coil are measured. What is the relation between B_("centre") and B_("axis")?

If a circular coil area A,number of turns n carries a current I then it is equivalent to a magnetic dipole.The magnetic moment of a coil is,

A rectangular coil of 25 turns, area of 25cm^(2) and resistance of 4 ohm//turn is placed perpendicular to a varying magnetic field, which changes at the rate of 500 T//s . The induced current in the coil is

NIKITA PUBLICATION-MAGNETISM -MCQs
  1. A circular loop of radius 0.0157m carries a current of 2.0 amp. The ma...

    Text Solution

    |

  2. Current carrying circular loop acts as

    Text Solution

    |

  3. The product of nuber of turns,area of coil and current is

    Text Solution

    |

  4. Magnetism in substances is caused by

    Text Solution

    |

  5. The product of number of turns and current of loop is

    Text Solution

    |

  6. The product of ampere turn and area of coil is

    Text Solution

    |

  7. In a hydrogen atom the electrons revolves round the nucleus 6.8xx10^(1...

    Text Solution

    |

  8. Magnetic moment of coil independent of

    Text Solution

    |

  9. The electron in the hydrogen atom is moving with a speed at 2.3xx10^(6...

    Text Solution

    |

  10. A closely wound solenoid of 1000 turns and area of cross-section 2xx10...

    Text Solution

    |

  11. A circular coil of 300 turns and diameter 14cm carries a current of 15...

    Text Solution

    |

  12. In a hydrogen atom,an electron revolves with a frequency of 6.8xx10^(9...

    Text Solution

    |

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

    Text Solution

    |

  14. A current of 2 ampere is passed in a coil of radius 0.5 m and number o...

    Text Solution

    |

  15. The areas of cross-section of three magnets of same length are A,2AA a...

    Text Solution

    |

  16. Maghnetic dipole moment of revolving electron is

    Text Solution

    |

  17. The ratio of magnetic dipole moment to angular momentum of electron is

    Text Solution

    |

  18. The gyromagnetic ratio of electron is

    Text Solution

    |

  19. Magnetic dipole moment of revolving electron is

    Text Solution

    |

  20. An electron in an atom revolves the nucleus in an orbit of radius 0.53...

    Text Solution

    |