Home
Class 12
PHYSICS
A circular coil and a bar magnet placed ...

A circular coil and a bar magnet placed nearby are made to move in the same direction. The coil covers a distance of `1m` in `0.5 sec` and the magnet a distance of `2 m` in `1 sec`. The induced emf produced in the coil

A

Zero

B

1 V

C

0.5 V

D

Cannot be determined from the given information

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise Assertion & Reason|5 Videos
  • CURRENT ELECTRICITY

    ERRORLESS |Exercise Self Evaluation Test -19|23 Videos
  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Self Evaluation Test|3 Videos

Similar Questions

Explore conceptually related problems

A coil intercepts a magnetic flux of 0.2 xx 10^(-2) Wb in 0.1 s. What is the emf induced in the coil ?

A circular coil of radius r is placed in a uniform magnetic field B. The magnetic field is normal to the plane of the coil is rotated at an angular speed of omega , about its own axis , then the induced emf in the coil is __

The current in a coil decreases from 5 A to 0 in 0.1 sec. If the average e.m.f induced in the coil is 50 V, then the self inductance of the coil is

What is the change in magnetic flux produced in a coil in 25 s, if the induced e.m.f. In the coil is 2 mV ?

A varying current in a coil change from 10A to 0A in 0.5 sec . If the average emf induced in the coil is 220V , the self inductance of the coil is

A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT with its plane perpendicular to the field. The area of the coil is shrinking at a constant rate of 0.5m^(2)s^(-1) . The emf induced in the coil is

A magnet is moving towards a coil along its axis and the emf induced in the coil is epsilon . If the coil also strats moving towards the magnet with the same speed, the induced emf will be

The radius of a circular coil having 100 turns is 5 cm .its plane is normal to the magnetic field. The magnetic field changes from 2T to 10 T in 3.14 sec. The induced emf in coil will be

The radius of a circular coil having 50 turns is 2 cm. Its plane is normal to the magnetic field. The magnetic field changes from 2T to 4T in 3.14 sec. The induced emf in coil will be :-

ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET
  1. The figure shows four wire loops, with edge length of either L or 2L. ...

    Text Solution

    |

  2. A circular coil and a bar magnet placed nearby are made to move in the...

    Text Solution

    |

  3. A square coil ABCD lying in x-y plane with its centre at origin. A lon...

    Text Solution

    |

  4. A short magnet is allowed to fall from rest along the axis of a horizo...

    Text Solution

    |

  5. The horizontal component of the earth's magnetic field at a place is 3...

    Text Solution

    |

  6. A copper disc of radius 0.1 m rotates about its centre with 10 revolut...

    Text Solution

    |

  7. A coil of Cu wire (radius r, self-inductance L) is bent in two concen...

    Text Solution

    |

  8. In which of the following circuits is the current maximum just after t...

    Text Solution

    |

  9. A small coil is introduced between the poles of an electromagnet so th...

    Text Solution

    |

  10. Two circular coils A and B are facing each other as shown in figure. T...

    Text Solution

    |

  11. A conductuing loop having a capacitor is moving outward from the magne...

    Text Solution

    |

  12. A straight wire of length L is bent into a semicircle. It is moved in ...

    Text Solution

    |

  13. If in a coil rate of change of area is (5meter^(2))/(milli second)and ...

    Text Solution

    |

  14. In series with 20 ohm resitor a 5 henry inductor is placed. To the com...

    Text Solution

    |

  15. Two circular coils P & Q are coaxially & carry currents I1 and I2 resp...

    Text Solution

    |

  16. The phase difference between the flux linkage and the induced e.m.f. i...

    Text Solution

    |

  17. A pair of parallel conducting rails lie at right angle to a uniform ma...

    Text Solution

    |

  18. The magnetic field in the cylindrical region shown in figure increase ...

    Text Solution

    |

  19. An aircraft with a wingspan of 40 m flies a speed of 1080 km hr(1) in ...

    Text Solution

    |

  20. A hundred turns of insulated copper wire are wrapped around an iron cy...

    Text Solution

    |