Home
Class 12
PHYSICS
A magnetic needle suspended by a silk th...

A magnetic needle suspended by a silk thread is vibrating in the earth's magnetic field. If the temperature of the needle is increased by `500^(@)C`, then

A

`82^(@)`

B

`71^(@)`

C

`90^(@)`

D

`65^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (More than one correct choice Type)|11 Videos

  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (Linked Comprehension)|2 Videos

  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Problems|49 Videos

  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Practice Question (Integer Type)|4 Videos

  • MOTION ALONG A STRAIGHT LINE

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS ( Integer Type )|3 Videos

Similar Questions

Explore conceptually related problems

A magnetic needle suspended by a silk thread is vibrating in the earth's magnetic field. If temperature of the needle is increased to 1000^(@)C , then

If a magnetic needle is freely suspended at the geographic north pole

A compas needle will show which of the following directions at the earth's magnetic pole?

A magnetic needle is suspended by a thread at its centre and it becomes horizontal when a weight of 100mg is placed on its front end. If the pole strenght of the needle is 5Am, find the vertical intensity of the earth's field. (g=9.8m//s^(2))

RESNICK AND HALLIDAY-MAGNETIC FORCE-Practice Questions (Single correct Choice Type )
  1. The material for making permanent magnets should have:

    Text Solution

    |

  2. If vec(A), vec(B) and vec(C ) are three vectors, then the wrong relati...

    Text Solution

    |

  3. A magnetic needle suspended by a silk thread is vibrating in the earth...

    Text Solution

    |

  4. If a bar magnet of pole strength m and magnetic moment M is cut equall...

    Text Solution

    |

  5. A compass needle whose magnetic moment is 60Am^2 points geographic nor...

    Text Solution

    |

  6. A magnetic field of 1600Am^-1 produces a magnetic flux of 2*4xx10^-5 w...

    Text Solution

    |

  7. Two short magnets placed along the same axis with their like poles fac...

    Text Solution

    |

  8. The time period of a freely suspended magnetic needle does not depend ...

    Text Solution

    |

  9. Which among the four chi versus T graphs shown in the following figure...

    Text Solution

    |

  10. An electron is travelling horizontally towards east. A magnetic field ...

    Text Solution

    |

  11. An electron and a proton are moving on straight parallel paths with sa...

    Text Solution

    |

  12. Assertion: If an electron, while coming vertically from outerspace, en...

    Text Solution

    |

  13. Cosmic rays (atomic nuclei stripped bare of their electrons) would con...

    Text Solution

    |

  14. A charged particle enters a uniform magnetic field perpendicular to it...

    Text Solution

    |

  15. A neutral particle at rest in a magnetic field decays into two charged...

    Text Solution

    |

  16. What is the direction of angular velocity of a rotating body ?

    Text Solution

    |

  17. An electron moving with a uniform velocity along the positive x-direct...

    Text Solution

    |

  18. Which of the following particle can be deflected by electric and magne...

    Text Solution

    |

  19. An alpha -particle and a proton are accelerated from rest thruogh the ...

    Text Solution

    |

  20. Three long straight parallel wires are kept as shown in figure. The wi...

    Text Solution

    |