Home
Class 12
PHYSICS
A square coil of edge L having n turns c...

A square coil of edge `L` having `n` turns carries a current `i`. it is kept on a smooth horizontal plate. A uniform magnetic field `B` exists in a direction parallel to an edge the total mass of the coil is `M`. What should be the minimum value of `B` for which the coil will start tipping over?

A

`(Mg)/(niL)`

B

`(Mg)/(2niL)`

C

`(Mg)/(4niL)`

D

`(2Mg)/(niL)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND FORCES

    DC PANDEY|Exercise Assertion and reason|20 Videos

  • MAGNETIC FIELD AND FORCES

    DC PANDEY|Exercise Match the following|4 Videos

  • MAGNETIC FIELD AND FORCES

    DC PANDEY|Exercise Check point|54 Videos

  • INTERFERENCE AND DIFFRACTION OF LIGHT

    DC PANDEY|Exercise Level 2 Subjective|5 Videos

  • MAGNETICS

    DC PANDEY|Exercise MCQ_TYPE|1 Videos

Similar Questions

Explore conceptually related problems

A square coil of edge I having n turns carries a curent i. it is kept on a smooth horizontal plate. A uniform magnetic field B exists in a direction parallel to an edge the total mass of the coil is M. What should be the minimum value of B for which the coil will start tipping over?

A circular coil of radius R , having n turns carries a current 7A. The dipole moment of the coil is m and the magnetic field induction at the center is B . The ratio m: B is proportional to

A current i flows in a circular coil of radius r . If the coil is placed in a uniform magnetic field B with its plane parallel to the field, magnitude of the torque that acts on the coil is

A planar coil having 12 turns carries 15 A current. The coil is oriented with respect to the uniform magnetic field B= 0.2hati T such that its directed area is A=0.04 hatim^(2). the potential energy of the coil in the given orientation is

A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1 A . It is placed in a uniform magnetic field B=0.5 T with the direction of magnetic field parallel to the plane of the coil. The magnitude of the torque required to hold this coil in this position is

A circular coil having N turns and radius r carries a current I. It is held in the XZ plane in a magnetic field Bhati . The torque on the coil due to the magnetic field is :

A coil having N turns carry a current I as shown in the figure. The magnetic field intensity at point P is

A flat coil carrying a current has a magnetic moment mu . It is placed in a magnetic field B such that mu is anti-parallel to B . The coil is

DC PANDEY-MAGNETIC FIELD AND FORCES-Taking it together
  1. A large metal sheet carries an electric current along its surface. Cu...

    Text Solution

    |

  2. Let current i=2A be flowing in each part of a wire frame as shown in F...

    Text Solution

    |

  3. A conducting stick of length 2L and mass m is moving down a smooth inc...

    Text Solution

    |

  4. A charge q is moving with a velocity v(1)=1hati m/s at a point in a ma...

    Text Solution

    |

  5. A square frame of side l carries a current produces a field B at its c...

    Text Solution

    |

  6. The magnetic field existing in a region is given by vecB =B0(1+(x)/(l)...

    Text Solution

    |

  7. Two straight infinitely long current carrying wires are kept along Z-a...

    Text Solution

    |

  8. In the following figure a wire bent in the form of a regular polygon o...

    Text Solution

    |

  9. A wires PQRS carrying a current I runs along three edges of a cube of ...

    Text Solution

    |

  10. The magnetic field at the centre of square of side a is

    Text Solution

    |

  11. A straight rod of mass m and lenth L is suspended from the identical s...

    Text Solution

    |

  12. A particle of specific charge q//m = (pi) C//kg is projected from the ...

    Text Solution

    |

  13. A charged particle enters into a uniform magnetic field with velocity ...

    Text Solution

    |

  14. A proton moving with a constant velocity passes through a region of sp...

    Text Solution

    |

  15. Figure shows three cases: in all case the circular part has radius r a...

    Text Solution

    |

  16. A non - popular loop of conducting wire carrying a current I is placed...

    Text Solution

    |

  17. A rectangular loop consists of N closed wrapped turns and has dimendio...

    Text Solution

    |

  18. A particle of charge -q and mass m enters a uniform magnetic field vec...

    Text Solution

    |

  19. A square coil of edge L having n turns carries a current i. it is kept...

    Text Solution

    |

  20. A long straight wire along the z- axis carries a current I in the neg...

    Text Solution

    |