Home
Class 12
PHYSICS
A conducting ring of mass 2kg, radius 0....

A conducting ring of mass 2kg, radius 0.5m carries a current of 4A. It is placed on a smooth horizontal surface. When a horizontal magnetic field of 10 T parallel to the diameter of the ring is applied, the initial acceleration is (in rad/se`c^(2)`)

A

`5pi`

B

`20pi`

C

`40pi`

D

`10pi`

Text Solution

Verified by Experts

The correct Answer is:
C
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 conducting ring of mass 2kg and radius 0.5m is placed on a smooth plane. The ring carries a current of i=4A . A horizontal magnetic field B=10 T is switched on at time t=0 as shown in fig The initial angular acceleration of the ring will be .

A conducting ring of mass 2kg and radius 0.5m is placed on a smooth plane. The ring carries a current of i=4A . A horizontal magnetic field B=10 T is switched on at time t=0 as shown in fig The initial angular acceleration of the ring will be .

A solid sphere of radius R is placed on a smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleration of the centre of mass

A solid sphere of radius R is placed on a smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleration of the centre of mass

A uniform conducting ring of mass m=2kg , radius r=2m and resistance 8Omega is kept on smooth, horizontal surface. A time varying magnetic field vecB=(hati+t^(2)hatj) Tesla is present in the region, where t is time in second and take vertical as y -axis. (Take pi^(2)=10 ). Then

A straight wire having mass of 1.2 kg and length of 1m carries a current of 5 A. If the wire is suspended in mid-air by a uniform horizontal magnetic field, then the magnitude of field is

A uniform disc of mass m , radius R is placed on a smooth horizontal surface. If we apply a horizontal force F at P as shown in the figure. If F = 4 N, m= .1 kg, R = 1 m and r = 1/2 m then, find the: angular acceleration of the disc. (rads^(-1))

Three identical cubes each of mass m are place on a smooth horizontal surface.A constant force F is applied on A as shown in the figure.The force on B applied by C is

A uniform disc of mass m , radius R is placed on a smooth horizontal surface. If we apply a horizontal force F at P as shown in the figure. If F = 4 N, m= .1 kg, R = 1 m and r = 1/2 m then, find the: acceleration of the CM (in ms^(2) )

A sphere of mass m and radius r is placed on a rough plank of mass M . The system is placed on a smooth horizontal surface. A constant force F is applied on the plank such that the sphere rolls purely on the plank. Find the acceleration of the sphere.

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

    |