Home
Class 12
PHYSICS
A circular coil of 25 turns and radius 1...

A circular coil of 25 turns and radius 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of the coil. If the current in the coil is 6 A then total torque acting on the coil is

A

`2.4xx10^(-4)Nm`

B

`2.4Nm`

C

`0.24Nm`

D

`0.024Nm`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-II|79 Videos
  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise very Short answer type question|15 Videos
  • NUCLEAR PHYSICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE PRACTICE SHEET (ADVANCED) Integer Type Questions|3 Videos

Similar Questions

Explore conceptually related problems

A circular coil of 25 turns and radius of 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of coil. If the current in the coil is 5 A, then total torque experienced by the coil is

A circular coil of 20 turns and radius 10cm is placed in a uniform magnetic field of 0.10T normal to the place of the coil. If the current in the coil is 5.0A , what is the (a) total torque on the coil, (b) total force on the coil, (c) Given, N=10^(29)m^-3 , A=10^-5m^2 Force on an electron of charge e, moving with drift velocity v_d in the magnetic field is given by F=Bev_d=Be(I)/(NeA) ( :'I=NeAv_d) F=(BI)/(NA)=(0*10xx5*0)/(10^(29)xx10^-5)=5xx10^(-25)N

A ciruclar coil of 20 turns and radius 10cm is placed in a uniform magnetic field of 0.1T normal to the plane of the coil . If the current in the coil is 5.0A what is the average force on each electron in the coil due to the magnetic field ( The coil is made of copper wire of cross - sectional area 10^(-5)m^(2) and the free electron density in copper is given to be about 10^(29)m^(-3)) .

A coil carrying electric current is placed in uniform magnetic field

A rectangular coil is placed in a region having a uniform magnetic field B perpendicular to the plane of the coil. An emf will not be induced ion the coil if the

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 coil of area 5cm^(2) and having 20 turns is placed in a uniform magnetic field of 10^(3) gauss. The normal to the plane of the coil makes an angle of 60^(@) with the magnetic field. The flux in Maxwell through the coil is:

A coil of area 5cm^(2) and having 20 turns is placed in a uniform magnetic field of 10^(3) gauss. The normal to the plane of the coil makes an angle of 60^(@) with the magnetic field. The flux in Maxwell through the coil is:

A coil of 100 turns and area 5 square centimetre is placed in a magnetic field B = 0.2 T . The normal to the plane of the coil makes an angle of 60^(@) with the direction of the magnetic field. The magnetic flux linked with the coil is

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-III
  1. Two long mutually perpendicular conductors carrying currents I1 and I2...

    Text Solution

    |

  2. Two wires of same length are shaped into a square and a circle. If the...

    Text Solution

    |

  3. Current 'i' is flowing in heaxagonal coil of side a. The magnetic indu...

    Text Solution

    |

  4. A solenoid of length 'l' has N turns of wire closely spaced, each turn...

    Text Solution

    |

  5. A toroid has a core (non-ferromagnetic) of inner radius 25 cm and oute...

    Text Solution

    |

  6. A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid p...

    Text Solution

    |

  7. A closely wound solenoid of 800 turns and area of cross-section 2.5xx1...

    Text Solution

    |

  8. A closely would solenoid of 2000 turns and area of cross-section 1.6xx...

    Text Solution

    |

  9. Two coaxial solenoids of different radii carry current I in the same ...

    Text Solution

    |

  10. A solenoid has 10^(3) turns per unit length. On passing a current of 2...

    Text Solution

    |

  11. Currents of 10 A and 2A are passed through two parallel wires A and B ...

    Text Solution

    |

  12. Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at...

    Text Solution

    |

  13. Two parallel horizontal conductors are suspended by two light vertical...

    Text Solution

    |

  14. Two long parallel wires are at a distance 2d apart. They carry steady ...

    Text Solution

    |

  15. A conducting ring of mass 2kg, radius 0.5m carries a current of 4A. I...

    Text Solution

    |

  16. A circular coil of 25 turns and radius 12 cm is placed in a uniform ma...

    Text Solution

    |

  17. A galvanometer having a resistance of 50Omega, gives a full scale defl...

    Text Solution

    |

  18. An arrangement of three parallel straight wires pl,aced perpendicular ...

    Text Solution

    |

  19. The deflection of a galvanometer falls to 1//10^(th) when a resistanc...

    Text Solution

    |

  20. A metallic rod of mass per unit length 0.5 kg m^(-1) is lying horizont...

    Text Solution

    |