Home
Class 12
PHYSICS
A bar magnet is moved between two parall...

A bar magnet is moved between two parallel circular loops `A and B` with a constant velocity `v` as shown in Fig. 3.180.

A

(a) The current in each loop flows in the same direction

B

(b) The current in each loop flows in the opposite direction

C

(c ) The loops will repel each other

D

(d) The loops attract each other

Text Solution

Verified by Experts

The correct Answer is:
B, C
(b,c): Thought based.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS ENGLISH|Exercise Exercises Asserton - Reasoning|8 Videos

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS ENGLISH|Exercise Exercises Linked Comprehension|36 Videos

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS ENGLISH|Exercise Exercises Single Correct|79 Videos

  • ELECTRICAL MEASURING INSTRUMENTS

    CENGAGE PHYSICS ENGLISH|Exercise M.C.Q|2 Videos

  • ELECTRON,PHONTS,PHOTOELECTRIC EFFECT & X-RAYS

    CENGAGE PHYSICS ENGLISH|Exercise dpp 3.3|15 Videos

Similar Questions

Explore conceptually related problems

A bar magnet moves toward two idential parallel circular loops with a contant velocity upsilon as shown in Fig.

A rectangular loop and a circular loop are moving out of a uniform magnetic field to a field-free region with a constant velocity 'v' as shown in the figure . Explain the which loop do you expect the induced emf to the constant during the passage out of the field region . The magnetic field is normal to the loops .

The endpoints of a conducting string (shaped as a circular loop) of constant length are being pulled at a constant velocity v as shown in the figure. There exists a uniform magnetic field B is space which is perpendicular to the circular loop. If the loop always remains circular during the motion of its endpoints, them the emf induced in the loop at t=(piR)/(2v) is

Two straight conducting rails form a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves with constant velocity v along them as shown in Fig. A magnetic field vec(B) is directed into the page. the induced emf in the circuit at any time t is proportional to

Two straight conducting rails form a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves with constant velocity v along them as shown in Fig. A magnetic field vec(B) is directed into the page. the induced emf in the circuit at any time t is proportional to

A particle is moving on a circular path with a constant speed v . Its change of velocity as it moves from A to B is:

The long straight wire in figure (a) carries a constant current i . A metal bar of length i is moving at constant velocity v as shown in figure. Point a is a distance d from the wire. (a) Calculate the emf induced in the bar. (b) Which point a or b is at higher potential? (c) If the bar is replaced by a rectangular wire loop of resistance R , what is the magnitude of current induced in the loop?

A uniform circular loop of radius a and resistance R palced perpendicular to a uniform magnetic field B . One half of the loop is rotated about the diameter with angular velocity omega as shown in Fig. Then, the current in the loop is

A uniform circular loop of radius a and resistance R palced perpendicular to a uniform magnetic field B . One half of the loop is rotated about the diameter with angular velocity omega as shown in Fig. Then, the current in the loop is

A coil is placed in a constant magnetic field. The magnetic field is parallel to the plane of the coil as shown in Fig. 3.28. Find the emf induced in the coil if B increasing.

CENGAGE PHYSICS ENGLISH-ELECTROMAGNETIC INDUCTION-Exercises Multiple Correct
  1. A uniform circular loop of radius a and resistance R palced perpendicu...

    Text Solution

    |

  2. A conducting wire of length l and mass m can slide without friction on...

    Text Solution

    |

  3. A conducting rod of length l is hinged at point O. It is a free to rot...

    Text Solution

    |

  4. A conducting rod of length is moved at constant velocity v(0) on two p...

    Text Solution

    |

  5. In the figure shown 'R' is a fixed conducting fixed ring of negligible...

    Text Solution

    |

  6. An infinite current-carrying conductor is placed along the z-axis and ...

    Text Solution

    |

  7. A disc of radius R is rolling without sliding on a horizontal surface ...

    Text Solution

    |

  8. A conducting loop rotates with constant angular velocity about its fix...

    Text Solution

    |

  9. A bar magnet is moved between two parallel circular loops A and B with...

    Text Solution

    |

  10. A bar magnet moves toward two idential parallel circular loops with a...

    Text Solution

    |

  11. A highly conducting ring of radius R is perpendicular to and concentri...

    Text Solution

    |

  12. The acceleration of the charge on the gap faces will cease when the to...

    Text Solution

    |

  13. In the figure shown , the wires P(1)Q(1) and P(2)Q(2) are made to slid...

    Text Solution

    |

  14. A small magnet M is allowed to fall through a fixed horizontal conduct...

    Text Solution

    |

  15. The counductor AD moves to the right in a uniform magnetic field direc...

    Text Solution

    |

  16. The magnitude of the earth's magnetic field at a place is B(0) and an...

    Text Solution

    |

  17. A vertical conducting ring ogradius R falls vertically in a horizontal...

    Text Solution

    |

  18. A flat coil, C, of n turns, area A and resistance R, is placed in a un...

    Text Solution

    |

  19. In the above problem. The plane of the coil is initially kept parallel...

    Text Solution

    |

  20. In the above question if the coil rotates with a constant angular velo...

    Text Solution

    |