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 ENGLISH|Exercise DPP No.50|9 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP No.51|20 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP No.48|9 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise High Level Problems (HIP)|19 Videos

  • ELECTRO MAGNETIC WAVES

    RESONANCE ENGLISH|Exercise Exercise 3|27 Videos

Similar Questions

Explore conceptually related problems

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

Figure shows a rectangular current carrying loop placed 2 cm away from a long, straight, current-carrying conductor. What is the direction of the net force acting on the loop?

A rectangular loop of wire of size 2.5 cm xx 4 cm carries a steady current of 1A. A straight long wire carrying 2 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 with dimensions shown in figure is coplanar with a long wire 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 ?

A current carrying circular loop is freely suspended by a long thread. The plane of the loop will point in the direction

An electron moves along the line AB with constant velocity V which lies in the same plane as a circular loop of conducting wire , as shown in the figure . What will be the direction of current induced in the loop ?

Two fixed long straight wires carry the same current i in opposite directions as shown in . A square loop of side b is fixed in the plane of the wires with its length parallel to one wire at a distance a shown in the figure. (a) alculate at the induced emf in the loop if the current in both the wires is changing at the rate di//dt . (b) What is the direction of force on the loop if di//dt is positive?

RESONANCE ENGLISH-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 of atomic number Z is in an excited state of qua...

    Text Solution

    |

  11. Half lives of two isotpers X and Y are know to be 2xx10^(9) years and ...

    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

    |