Home
Class 12
PHYSICS
A cylindrical bar amgnet is kept along t...

A cylindrical bar amgnet is kept along the axis of a circular coil. If the magnet is rotated about its axis, then

A

No current

B

A current

C

Only an e.m.f.

D

Both an e.m.f. and a current

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT(SECTION - B) (OBJECTIVE TYPE QUESTIONS)|11 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT(SECTION -C) Previous Years Questions|23 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise EXERCISE|17 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

A cylindrical bar magnet is kept along the axis of a circular coil. If the magnent is rotated about its axis, then

A cylindrical bar magnet is kept along the axis of circular coil and near it as shown in Fig. Will there be any induced emf at the terminals of the coil, when magnet is rotated (a) about its own axis (b) about an aixs perpendicular to the length of the magnet ?

On account of the earth rotating about its axis

A bar magnet is kept along the axis of a conducting loop. When the magnet is moved along the axis, a current is seen in the loop. Which force is responsible for driving electrons in the loop if the observer is in (a) Reference frame attached to the loop. (b) Reference frame attached to the magnet.

A cylindrical bar magnet is kept along the axis of coil. Will there be a current induced in the coil. Will there be a current induced in the coil if the magnet is rotaded about its axis ? Give reasons.

A bar magnet is kept along the axis is coil with its N-pole facing the coil. The magnet is then rotated along its own axis. The induced current in the coil will we

A small bar magnet moves along the axis of a flat, closed coil. The magnet will attract the coil

The rotation of earth about its axis is

AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
  1. The induced e.m.f. in a coil does not depend on

    Text Solution

    |

  2. The magnetic flux phi (in weber ) in a closed circuit of resistance 10...

    Text Solution

    |

  3. A cylindrical bar amgnet is kept along the axis of a circular coil. If...

    Text Solution

    |

  4. A magnet is brought towards a coil (i) speedly (ii) slowly then the in...

    Text Solution

    |

  5. A circular loop of flexible conducting material is kept in a magnetic ...

    Text Solution

    |

  6. An aeroplane is flying horizontally with a velocity of 360Km/hr. The d...

    Text Solution

    |

  7. A coil having 500 square loops each of side 10 cm is placed normal to ...

    Text Solution

    |

  8. The physical quantity, which is conserved on the basis of Lenz's Law i...

    Text Solution

    |

  9. A metallic ring with a small cut is held horizontally and a magnet is ...

    Text Solution

    |

  10. A loop of Irregular shape made of flexible conducting wire carrying cl...

    Text Solution

    |

  11. A copper rod of length l is rotated about one end perpendicular to the...

    Text Solution

    |

  12. A coil of cross-sectional area A having n turns is placed in uniform m...

    Text Solution

    |

  13. A flat coil of 500 turns each of area 50 cm^(2) rotates in a uniform m...

    Text Solution

    |

  14. Eddy currents are produced when

    Text Solution

    |

  15. A motor starter

    Text Solution

    |

  16. A simple electric motor has an armature resistance of 1Omega and runs ...

    Text Solution

    |

  17. Which of the following is possible application of an RC circuit?

    Text Solution

    |

  18. The current passing through a choke coil of self inductance 5 H is dec...

    Text Solution

    |

  19. When the number of turns in a coil is doubled without any change in th...

    Text Solution

    |

  20. A coil of resistance 10Omega and an inductance 5H is connected to a 10...

    Text Solution

    |