Home
Class 12
PHYSICS
The straight infinite long wire carries ...

The straight infinite long wire carries a constant current `i` to the right. The conducting circular loop in the same plane is being pulled upward by the external force. What is the direction of the magnetic force on the loop ?

A

Up

B

Down

C

Left

D

There is no magnetic force

Text Solution

Verified by Experts

The correct Answer is:
B

By Lenz' law, direction of magnetic force will be down.
Promotional Banner

Topper's Solved these Questions

  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP No.50|9 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP No.51|20 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP No.48|9 Videos
  • CURRENT ELECTRICITY

    RESONANCE|Exercise High Level Problems (HIP)|21 Videos
  • ELECTRO MAGNETIC WAVES

    RESONANCE|Exercise Exercise 3|27 Videos

Similar Questions

Explore conceptually related problems

An infinitely long straight wire carries a conventional current I as shown in the The rectangular loop carries a conventional current I in the clockwise direction Find the net force on the rectangular loop

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is perpendicular to the plane of loop. What is the magnetic force acting on the loop?

A rectangular loop of wire of size 4 cm xx 10 cm carries a steady current of 2A. A straight long wire carrying 5 A current is kept near the loop as shown. If the loop and the wire are coplanar, find (i) the torque acting on the loop and (ii) the magnitude and direction of the force on the loop due to the current carrying wire.

A rectangular loop of wire of size 2 cm xx 5cm carries a steady current of 1A. A straight long wire carrying 4 A current is kept near the loop as shown. If the loop and the wire are coplanar, find (i) the torque acting on the end (ii) the magnitude and direction of the force on the loop due to the current carrying wire.

An equilateral triangular loop is kept near to a current carrying long wire as shown fig. under the action of magnetic force alone, the loop

A rectangular loop of wire with dimensions shown in figure is coplanar with a long wier carrying current 'I' . The distance between the wire and the left side of the loop is r . The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?

RESONANCE-DAILY PRACTICE PROBLEM-DPP No.49
  1. A loop having negligible self inductance but a constant resistance is ...

    Text Solution

    |

  2. The figure shows a meter bridge circuit with AB=100 cm, X=12 Omega and...

    Text Solution

    |

  3. The straight infinite long wire carries a constant current i to the ri...

    Text Solution

    |

  4. In the figure shown, a charged particle of mass 2 g and charge 5 mu C ...

    Text Solution

    |

  5. A circular loop of wire is in the same plane as an infinitely long wir...

    Text Solution

    |

  6. Charges +q and -q are placed at points A and B respectively which are ...

    Text Solution

    |

  7. A uniform magnetic field of magnitude 1T exists in region yge0 along h...

    Text Solution

    |

  8. Two identical conducting rings A and B of radius R are rolling over a ...

    Text Solution

    |

  9. The rest mass of an electron as well as that of positron is 0.51 MeV. ...

    Text Solution

    |

  10. A hydrogen like atom with atomic number Z is in an excited state of q...

    Text Solution

    |

  11. Half lives of two isotopes X and Y of a material are known to be 2 xx ...

    Text Solution

    |

  12. A partical of mass m oscillates along the horizontal diameter AB insi...

    Text Solution

    |

  13. Initially capacitor is uncharged at t = 0 switch is closed. Charge on ...

    Text Solution

    |

  14. The wall of a house is made of two different materials of same thickne...

    Text Solution

    |

  15. When an small object is placed at a distance x(1) and x(2) from a lens...

    Text Solution

    |

  16. A particle is moving in x-y plane. At an instant, it has velocity (4 h...

    Text Solution

    |

  17. The magnetic induction and the intensity of magnetic field inside an i...

    Text Solution

    |

  18. A large cylindrical vessel contains water to a height of 10 m. If is f...

    Text Solution

    |

  19. N (lt 100) molecules of a gas have velocities 1,2,3….N km/s respective...

    Text Solution

    |

  20. Find the equivalent capacitance between terminals A and B.

    Text Solution

    |