Home
Class 12
PHYSICS
Why the coil of a dead beat galvanometer...

Why the coil of a dead beat galvanometer is would on a metal frame?

Text Solution

Verified by Experts

The eddy currents will quickly bring the coil to rest.s
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Problems (Level-I)|27 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Problems (Level-II)|13 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Exercise (Short Answer Questions)|2 Videos

  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|32 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|20 Videos

Similar Questions

Explore conceptually related problems

Why does the coil rotate?

A galvanometer has coil of resistance 50Omega and shows full deflection at 100muA . The resistance to be added for the galvanometer to work as an ammeter of range 10mA is nearly

Mirror is not a metal. Why?

What is the principle of a moving coil galvanometer ?

(A) : Working of a moving coil galvanometer is based on heating effect of current. (R) : On heating, the coil starts to rotate in moving coil galvanometer because fo torque.

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-Exercise (Very Short Answer Questions)
  1. Does Lenz's law violate the law of conservation of energy?

    Text Solution

    |

  2. Does Lenz's law hold for an open circuit

    Text Solution

    |

  3. Consider a cube ABCGHIJK of sides a placed in a uniform magnetic field...

    Text Solution

    |

  4. Who discovered eddy current?

    Text Solution

    |

  5. What is an ideal inductor?

    Text Solution

    |

  6. Name the quantity that plays an identical role in an electrical circui...

    Text Solution

    |

  7. On which of the following factors the emf induced in the coil does not...

    Text Solution

    |

  8. Name two factors on which the self-inductance of an air-core coil depe...

    Text Solution

    |

  9. What is the effect of metallic core on self inductance?

    Text Solution

    |

  10. Why inductors are made of copper?

    Text Solution

    |

  11. Name two factors on which mutual inductance between a pair of coils de...

    Text Solution

    |

  12. If two coils are very tightly would one over the other, will M increas...

    Text Solution

    |

  13. What are the dimensions of L/R?

    Text Solution

    |

  14. Why the inductance per unit length for a solenoid near its centre is d...

    Text Solution

    |

  15. An artificial satellite with a metal surface is orbiting the earth in ...

    Text Solution

    |

  16. Why the coil of a dead beat galvanometer is would on a metal frame?

    Text Solution

    |

  17. Two identical coils, one of copper and the other of iron, are rotated ...

    Text Solution

    |

  18. A wire kept along north-south direction is allowed to fall freely. Wil...

    Text Solution

    |

  19. A wire kept in east west direction is allowed to fall freely, will an ...

    Text Solution

    |

  20. Why a thick metal plate oscillating about a horizontal axis stops when...

    Text Solution

    |