Home
Class 12
PHYSICS
Assertion: The earth's magnetic field do...

Assertion: The earth's magnetic field does not affect the working of a moving coil galvanometer.
Reason: Earth's magnetic field is very weak.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
A
In a moving coil galvanometer, the coil is suspended in a very strong uniform magnetic field created by two magnetic pole pieces. The earth’s magnetic field is quite weak as compared to that field, therefore, it does not affect the working of magnetic field.
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    ERRORLESS|Exercise Past Years Questions|29 Videos

  • MAGNETIC EFFECTS OF CURRENT

    ERRORLESS|Exercise ASSERTION & REASON |18 Videos

  • RAY OPTICS

    ERRORLESS|Exercise Assertion & Reason|30 Videos

Similar Questions

Explore conceptually related problems

Assertion : Earth's magnetic field does not affect the working of a moving coil galvanometer. Reason: The earth's magnetic field is quite weak as compared to magnetic field produced in the moving coil galvanometer.

Explain why earth's magnetic field does not affect the working of a moving coil galvanometer?

The earth's magnetic field is approximately

The earth's magnetic field is caused by the

In a moving coil galvanometer , a radial magnetic field is produced due to the

In moving coil galvanometer, the magnetic field used is

The strength of the earth's magnetic field is

The intensity of earth's magnetic field is of the order of

ERRORLESS-MAGNETISM-Assertion and Reason
  1. Assertion: Basic difference between an electric line and magnetic line...

    Text Solution

    |

  2. Assertion: Magnetic moment of an atoms is due to both, the orbital mot...

    Text Solution

    |

  3. Assertion: When radius of circular loop carrying current is doubled, i...

    Text Solution

    |

  4. Assertion: If a compass needle be kept at magnetic north pole of the e...

    Text Solution

    |

  5. Assertion: A compass needle when placed on the magnetic north pole of ...

    Text Solution

    |

  6. Assertion : Two short magnets are placed on a cork which floats on wat...

    Text Solution

    |

  7. Assertion: The ferromagnetic substance do not obey Curie's law. Reas...

    Text Solution

    |

  8. Assertion : The properties of paramagnetic and ferromagnetic substan...

    Text Solution

    |

  9. Assertion: Soft iron is used as transformer core. Reason: Soft iron ...

    Text Solution

    |

  10. Assertion: Magnetism is relativistic. Reason: When we move along wit...

    Text Solution

    |

  11. Assertion: The earth's magnetic field does not affect the working of a...

    Text Solution

    |

  12. Assertion: Diamagnetic materials can exhibit magnetism. Reason: Diam...

    Text Solution

    |

  13. Assertion: For making permanent magnets, steel preferred over soft iro...

    Text Solution

    |

  14. Statement-1 : Gauss theorem is not applicable in magnetism. Statement-...

    Text Solution

    |

  15. Assertion: When a magnet is brought near iron nails, only translatory ...

    Text Solution

    |

  16. Assertion: When a magnetic dipole is placed in a non uniform magnetic ...

    Text Solution

    |

  17. Assertion : The susceptibility of diamagnetic materials does not dep...

    Text Solution

    |

  18. Assertion: The permeability of a ferromagnetic material is independent...

    Text Solution

    |

  19. Assertion : The ability of a material to permit the passage of magneti...

    Text Solution

    |

  20. Assertion: A paramagnetic sample display greater magnetisation (for th...

    Text Solution

    |