Home
Class 12
PHYSICS
A coil of radius 2 cm and 500 turns, car...

A coil of radius 2 cm and 500 turns, carries of a current of 2A. It is placed in a uniform magnetic field of induction 0.5T. What is the torque acting on the coil if `theta=30◦`?

A

`0.314 N-m`

B

`0.628 Nm`

C

`0.157 N-m`

D

`6.28 Nm`

Text Solution

Verified by Experts

The correct Answer is:
A
`T=nIAB sin theta=0.314 Nm`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES ,THERMODYNAMICS AND RADIATION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 9|30 Videos

  • MAGNETISM

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|15 Videos

Similar Questions

Explore conceptually related problems

A coil carrying electric current is placed in uniform magnetic field

A circular coil of 20turns and radius 10cm carries a current of 5A . It is placed in a uniform magnetic field of 0*10T . Find the torque acting on the coil when the magnetic field is applied (a) normal to the plane of the coil (b) in the plane of coil. Also find out the total force acting on the coil.

A circular coil of 20 turns each of radius 10 cm and carrying a current of 5 A is placed in a uniform magnetic field of induction 0.10 T normal to the plane of the coil?

A circular coil of 1 turn and area 0.01m^(2) carries a current of 10A . It is placed in a uniform magnetic field of induction 0.1 tesla such that the plane of the circle is perpendicular to the direction of the field, the torque acting on the coil is

A circular coil of radius 4 cm and of 20 turns carries a current of 3 amperes. It is placed in a magnetic field of intensity of 0.5 weber//m^(2) . The magnetic dipole moment of the coil is

A circular coil of radius 10 cm "and" 100 turns carries a current 1A. What is the magnetic moment of the coil?

A coil of area 100cm^(2) having 500 turns carries a current of 1mA . It is suspended in a uniform magnetic field of induction 10^(-3)wb//m^(2) . Its plane makes an angle fo 60^(@) with the lines of induction. The torque acting on the coil is

MARVEL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-MCQ
  1. A torque of 2.5 Nm acts on a current carrying rectangular coil of area...

    Text Solution

    |

  2. A wire of length l carries a steady current. It is bent first to form ...

    Text Solution

    |

  3. A coil of radius 2 cm and 500 turns, carries of a current of 2A. It is...

    Text Solution

    |

  4. A coil of a moving coil galvanometer has 100 turns and effective area ...

    Text Solution

    |

  5. A current carrying coil will orient itself so that its plane becomes

    Text Solution

    |

  6. A conducting circular loop of radius r carries a constant current i. I...

    Text Solution

    |

  7. The coild of a galvanometer consists of 100 turn and effective area 1 ...

    Text Solution

    |

  8. Two galvanometers A and B require 3 mA and 5 mA respectively to produc...

    Text Solution

    |

  9. A circular coil of 20 turns each of radius 10 cm and carrying a curren...

    Text Solution

    |

  10. When the current in a moving coil galvanometer is increased by 2 muA, ...

    Text Solution

    |

  11. A moving coil galvanometer has a current sensitivity of xx div/ma and ...

    Text Solution

    |

  12. The senstivity of a milliammeter of range 0 to 100 mA is x div/millia...

    Text Solution

    |

  13. A conducting circular loop of radius r carries a constant i. It is pla...

    Text Solution

    |

  14. Sensitivity of a moving coil galvanometer can be increased by

    Text Solution

    |

  15. The magnetic field inside a solenoid is

    Text Solution

    |

  16. What is the magnetic field at the cemter of a coil in the form of a sq...

    Text Solution

    |

  17. Three moving coil galvanometer A,B and C are made of coils of thr...

    Text Solution

    |

  18. A moving coil galvanometer has 150 equal divisions. Its current sensit...

    Text Solution

    |

  19. A coil in the shape of an equilateral triangle of side l is suspended ...

    Text Solution

    |

  20. A square current carrying loop is suspended in a unifrom magnetic ...

    Text Solution

    |