Home
Class 12
PHYSICS
A coil is rotated in a uniform magnetic ...

A coil is rotated in a uniform magnetic field about an axis perpendicular to the field. The emf induced in the coil would be maximum when the plane of coil is :

A

parallel to the field

B

perpendicular to the field

C

at `45^(@)` to the field

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-IB|18 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-II|32 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|10 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

A rectangular coil of single turn, having area A, rotates in a uniform magnetic field B with an angular velocity omega about an axis perpendicular to the field. If initially the plane of coil is perpendicular to the field, then the average induced e.m.f. when it has rotated through 90^(@) is

A copper disc of radius Im is rotated about its natural axis with an angular velocity 2 rad/sec in a uniform magnetic field of 5 tesla with its plane perpendicular to the field. Find the emf induced between the centre of the disc and its rim.

A rectangular coil of 300 turns has an area of 25 cm x 10 cm. The coil rotates with a speed of 50 cps in a uniform magnetic field of strength 4 xx 10^(-2)T about an axis perpendicular to the field. The peak value of the induced e.m.f is (in volt)

Kamla peddles a stationary bicyle, the pedals of the bicycle are attached to a 100 turns coil of area 0.10m^(2) . The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 0.01T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil.

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-IA
  1. A circular loop of radius R in X-Y plane with its centre at origin is ...

    Text Solution

    |

  2. A wire loop is rotated in a magnetic field. The frequency of change of...

    Text Solution

    |

  3. A coil is rotated in a uniform magnetic field about an axis perpendicu...

    Text Solution

    |

  4. The north of a bar magnet is moved towards a coil along the axis passi...

    Text Solution

    |

  5. Two identical coaxial circular coils are carrying current .i. each in ...

    Text Solution

    |

  6. In an experiment, a magnet with its magnetic moment along the axis of ...

    Text Solution

    |

  7. The self inductance L of a slenoid of length l and area of cross-secti...

    Text Solution

    |

  8. A vertical rod of length l is moved with constant velocity v towards e...

    Text Solution

    |

  9. If the number of turns per unit length of a coil of a solenoid is trip...

    Text Solution

    |

  10. A solenoid is connected to a battery so that a steady current flows th...

    Text Solution

    |

  11. A coil of self-inductance L is connected in series with a bulb B and a...

    Text Solution

    |

  12. Two coils are placed close to each other. The mutual inductance of the...

    Text Solution

    |

  13. When the plane of the armature of an ac. generator is parallel to the ...

    Text Solution

    |

  14. A coil of self-inductance L is placed in an external magnetic field (n...

    Text Solution

    |

  15. The magnetic energy stored in a long solenoid of area of cross-section...

    Text Solution

    |

  16. In an L-R circuit connected to a battery of constant emf E, switch is ...

    Text Solution

    |

  17. Two identical capacitors A and B are charged to the same potential and...

    Text Solution

    |

  18. The induced emf in a L-R circuit is maximum:

    Text Solution

    |

  19. Self inductance coefficient of a system can be increased by increasi...

    Text Solution

    |

  20. A) It is possible to have mutual inductance without self-inductance ...

    Text Solution

    |