Home
Class 12
PHYSICS
A coil having an area 2m^2 is placed in ...

A coil having an area `2m^2` is placed in a magnetic field which changes from `1wb//m^2` to `4wb//m^2` in an interval of 2 second. The e.m.f. induced in the coil will be

A

4V

B

3V

C

1.5V

D

2V

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Electromagnetic Induction

    CHETANA PUBLICATION|Exercise EXERCISE|109 Videos
  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos
  • Electrostatics

    CHETANA PUBLICATION|Exercise Exercise|73 Videos

Similar Questions

Explore conceptually related problems

To induce an e.m.f. in the coil

The magnetic flux associated with the coil changes by 16xx10^-2 Wb in 10 seconds. Find the e.m.f. induced.

A magnetic flux associated with a coil changes by 5xx10^-2 Wb in 25 second. Find the emf induced in the coil.

The magnetic flux associated with a coil changes by 32 xx 10^-2 Wb in 20 second. Find e.m.f induced in it.

A square coil having500 turnseach of side10cm is placed normal to the magneticflux which increases of the rate of 1.0T//s . What is the e.m.f. induced.

A coil has an area of 0.05 m^2 and it has 800 turns. It is placed perpendicularly in a magnetic field of strength 4 xx 10^-5 wb//m^2 , it is rotated through 90^@ in 0.1 sec. The average e.m.f. induced in the coil is

A coil of effective area 2m^2 is placed at right angles to a magnetic field of induction 0.08 Wb//m^2 . Find the e.m.f. induced in it if the field reduces to ten percent of its original value in 0.6s

A coil having 50 turns and an area of 800cm^2 is held with its plane perpendicular to uniform magnetic field of induction 5 xx 10^-5 Wb/m^2 .If it is pulled out of the field in 2 second ,then the e.m.f.induced in the coil will be

The magnetic flux through a spark coil of 1000 turn changes from 1.0 Wb to zero wb in 1/10sec. Determine the emf induced in the coil.

A search coil having 2000 turns with area 1.5 cm^2 is placed in a magnetic field of 0.60T. The coil is moved rapidly out of the field in a time of 0.2 second.Calculate the induced emf across the search coil.

CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
  1. A magnet is brought towards a coil (i) speedily (ii) slowly, then the ...

    Text Solution

    |

  2. A square coil having500 turnseach of side10cm is placed normal to the ...

    Text Solution

    |

  3. A coil having an area 2m^2 is placed in a magnetic field which changes...

    Text Solution

    |

  4. In a circuit with a coil of resistance 2 ohms, the magnetic flux chang...

    Text Solution

    |

  5. A rectangular coil of 20 turns and area of cross section 25 sqcm has a...

    Text Solution

    |

  6. The magnetic flux linked with a coil, in webers is given by the equati...

    Text Solution

    |

  7. A coil has an area of 0.05 m^2 and it has 800 turns. It is placed perp...

    Text Solution

    |

  8. A 10 metre wire kept in east-west direction is falling with velocity 5...

    Text Solution

    |

  9. A metal conductor of length 1m rotates vertically about one of its end...

    Text Solution

    |

  10. A conducting wire is moving towards right in a magneticfield B.The dir...

    Text Solution

    |

  11. An e.m.f. of 5 volt is produced by a self inductance, when the current...

    Text Solution

    |

  12. A 50 mH coil carries a current of 2 ampere. The energy stored in joule...

    Text Solution

    |

  13. The current passing through a choke coil of 5 Henry is decreasing at t...

    Text Solution

    |

  14. In what form is the energy stored in an inductor

    Text Solution

    |

  15. The average e.m.f. induced in a coil in which the current changes from...

    Text Solution

    |

  16. Two pure inductors each of self inductance L are connected in parallel...

    Text Solution

    |

  17. The self inductance of a coil is 5 H, a current of 1 A change to 2 A w...

    Text Solution

    |

  18. A straight conductor of length 0.4 m is moving with a velocity of 7m//...

    Text Solution

    |

  19. A metal rod of length lm, rotates about its one end in a plane at righ...

    Text Solution

    |

  20. The magnetic flux through a coil is 5 xx10^-4 Wb at time t = 0. It red...

    Text Solution

    |