Home
Class 12
PHYSICS
A rectangular coil of 50 turns, each of ...

A rectangular coil of 50 turns, each of area `0.1 m^(2) `and carrying a current of 1 A is held perpendicular to a magnetic field of 0.1 T. What is the torque acting on the coil?

A

`0.5 Nm`

B

`1 Nm`

C

`zero`

D

`0.001 Nm`

Text Solution

Verified by Experts

The correct Answer is:
C

In this case, maximum flux through the coil and Torque=0.
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 circular loop of area 0.01 m^(2) carrying a current of 10 A , is held perpendicular to a magnetic field of intensity 0.1 T . The torque acting on the loop is

The plane of a rectangular coil of wire of dimensions 0.05 xx 0.10m and carrying a current of 10 A ,is parallel to a magnetic field of 0.1 T . What is the torque on the coil? What will be the torque when the normal to the coil makes an angle of 30^(@) with the direction of the field ?

A circular loop of area 0.02 m^2 carrying a current of 10A, is held with its plane perpendicular to a magnetic field induction 0.2T. The torque acting on the loop is

A 50 turn circular coil of radius 2.0 cm carrying a current of 5.0 A is rotated in a magnetic field of strength 0.20 T. (a) What is the maximum torque that acts on the coil? (b) in a particular position of the coil, the torque acting on it is half of this maximum. What is the angle between the magnetic field and the plane of the coil?

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 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 rectangular coil of 25 turns, area of 25cm^(2) and resistance of 4 ohm//turn is placed perpendicular to a varying magnetic field, which changes at the rate of 500 T//s . The induced current in the coil is

A suspended, vertical, circular coil of 50 turns and area 100cm^(2) carrying a current of 30 mA, is in equilibrium in a uniform magnetic field of intensity 0.4 tesla, when the normal to the plane of the coil makes an angle of 30^(@) with the field. Calcualte the torque on the coil due to the current.

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◦ ?

When a coil carrying current is set with its plane perpendicular to the direction of magnetic field, then torque on the coil is……………. .

MARVEL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-MCQ
  1. A current carrying circular loop is freely suspended by a long thread....

    Text Solution

    |

  2. The scale of a galvanometer is divided into 150 equal divisions. The g...

    Text Solution

    |

  3. A rectangular coil of 50 turns, each of area 0.1 m^(2) and carrying a ...

    Text Solution

    |

  4. The magnetic field at the center of a moving coil galvanometer is 0.25...

    Text Solution

    |

  5. Two flat circular coils A and B are made from two identical copper wir...

    Text Solution

    |

  6. A torque of 2.5 Nm acts on a current carrying rectangular coil of area...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. The magnetic field inside a solenoid is

    Text Solution

    |