Home
Class 12
PHYSICS
A square loop of side 5 cm enters a magn...

A square loop of side `5` cm enters a magnetic field with `1cms^(-1)`. The front edge enters the magnetic emf?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise OT|3 Videos
  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise Motional EMI|1 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

Figure shown a square loop of side l being moved towards right at a constant speed v . The front edge enters th emagnetic field B at t=0 . The width of field is 3l . Sketch induced emf versus time graph.

A square loop of side a carris a current I . The magnetic field at the centre of the loop is

Figure shows a squre loop of side 5 cm being mo ved towards right at a constant speed of 1cm//sec . The front edge just enters the 20 cm wide magnetic field at t=0 . Find the induced emf in the loop at t=2s and t=10s.

A square loop of side 20 cm and resistance 0.30 Omega is placed in a magnetic field of 0.4 T. The magnetic field is at an angle of 45^(@) to the plane of loop. If the magnetic field is reduced to zero in 0.5 s, then find the induced emf and induced current in the loop in this time interval.

If an electron enters a magnetic field with its velocity pointing in the same direction as the magnetic field, then

A square loop of edge 'a' carries a current l. The magnetic field at the centre of loop is

A square loop of side 20 cm is placed on a plane and magnetic field intensity of 0.1 T is applied at an angle 30^(@) with the plane of the loop. Magnetic field is changed to zero uniformly within 0.8 second. Calculate the induced emf and current in the loop.

A square loop of side 20 cm is placed on a plane and magnetic field intensity of 0.1 T is applied at an angle 30 with the plane of the loop. Magnetic field is changed to zero uniformly within 0.8 second. Calculate the emf induced in the loop.

ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET
  1. A square loop of side 5 cm enters a magnetic field with 1cms^(-1). The...

    Text Solution

    |

  2. The figure shows four wire loops, with edge length of either L or 2L. ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |