Home
Class 12
PHYSICS
A conducting rod is rotated about one en...

A conducting rod is rotated about one end in a plane perpendicular to a uniform magnetic field with constant angular velocity. The correct graph between the induced emf (e) across the rod and time (t) is

A

`(1)/(2)Bomegal^(2)`

B

`Bomegal^(2)`

C

`2Bomegal^(2)`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)|30 Videos
  • ELECTROMAGNETIC INDUCTION

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

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J)|4 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 copper rod of length l is rotated about one end perpendicular to the uniform magnetic field B with constant angular velocity omega . The induced e.m.f. between its two ends is

A half metre rod is rotating abou tone fixed end perpendicular to uniform magnetic field 4xx10^(-5)T with angular velocity 720 rpm. The emf induced across its ends is

A circular loop is kept perpendicular to a uniform magnetic field. Loop is rotated about its diameter with constant angular velocity.

If a conductor is rotating about its one end in a uniform magnetic field then an emf induced in it is

A metal rod of length 2 m is rotating with an angular velocity of 100 rad//sec in a plane perpendicular to a uniform magnetic field of 0.3 T . The potential difference between the ends of the rod is

A metal rod 1/(sqrt(pi)) m long rotates about one of its ends in a plane perpendicular to a magnetic field of induction 4 xx 10^(-3)T . If the emf induced between the ends of the rod is 16 mv, then the number of revolutions made by the rod per second is

AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. A conducting ring of radius ris placed perpendicularly inside a time v...

    Text Solution

    |

  2. Magnetic flux in a circuite containing a coil of resistance 2Omegachan...

    Text Solution

    |

  3. Select correct statement about Lenz's law

    Text Solution

    |

  4. Two different wire loops are concentric and lie in the same plane. The...

    Text Solution

    |

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

    Text Solution

    |

  6. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

    Text Solution

    |

  7. A conducting rod is rotated about one end in a plane perpendicular to ...

    Text Solution

    |

  8. A force of 10N is required to move a conducting loop through a non-uni...

    Text Solution

    |

  9. Radius ol a circular luop placed in a perpendicular uniform magnetic f...

    Text Solution

    |

  10. A wire of fixed length is wound on a solenoid of length l and radius r...

    Text Solution

    |

  11. The length of thin wire required to manufacture a solenoid of inductan...

    Text Solution

    |

  12. A conducting ring of radius b is placed coaxially in a long solenoid o...

    Text Solution

    |

  13. In what form is the energy stored in an inductor or A coil of inducta...

    Text Solution

    |

  14. Which of the following pairs of coils has zero coupling constant?

    Text Solution

    |

  15. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

    Text Solution

    |

  16. The equivalent inductance of two inductors is 2.4 H when connected in ...

    Text Solution

    |

  17. A coil of self-inductance 50 henry is joined to the terminals of a ba...

    Text Solution

    |