Home
Class 12
PHYSICS
A horizontal rod of mass 10 g and length...

A horizontal rod of mass 10 g and length 10 cm is placed on a smooth plane inclined to the horizontal at 60° with the length of rod parallel to the edge of the inclined plane. A uniform magnetic field B is applied vertically downwards. If the current through the rod is 1.73 A, find the value of B for which rod remain stationary on the inclined plane.

A

`3T`

B

`1//3T`

C

`1// sqrt(3) T`

D

`sqrt(3)T `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (CUTTENT ELECTRICITY )|108 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - III|24 Videos

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

A horizontal rod of mass 10g and length 10cm is placed on a smooth plane inclined at an angle of 60^@ with the horizontal with the length of the rod parallel to the edge of the inclined plane. A uniform magnetic field induction B is applied vertically downwards. If the current through the rod is 1*73ampere , the value of B for which the rod remains stationary on the inclined plane is

A horizontal rod of mass 10g and length 10cm is placed on a smooth plane inclined at an angle of 60^@ with the horizontal with the length of the rod parallel to the edge of the inclined plane. A uniform magnetic field induction B is applied vertically downwards. If the current through the rod is 1*73ampere , the value of B for which the rod remains stationary on the inclined plane is

A body is placed on a smooth inclined plane of inclination 1 in x. The horizontal acceleration to be given to the inclined plane so that the body on it remains at rest with respect to inclined plane is

A block is placed on a smooth inclined plane as shown . For what value of horizontal force F, the block will remain at rest ?

A uniform rod of mass M and length L, area of cross section A is placed on a smooth horizontal surface. Forces acting on the rod are shown in the digram Total elastic potential energy stored in the rod is :

L is a smooth conducting loop of radius l=1.0 m & fixed in a horizontal plane. A conducting rod of mass m=1.0 kg and length slightly greater than l hinged at the centre of the loop can rotate in the horizontal plane such that the free end slide on the rim of the loop. There is a uniform magnetic field of strength B=1.0 T directed vertically downward. The rod is rotated with angular velocity omega_(0)=1.0 rad//s and left. The fixed end of the rod and the rim of the loop are connected through a battery of emf . E, a resistor of resistance R =1.0 Omega , and intially uncharged capacitor of capacitance C=1.0 F in series. Find : (i) the time dependence of emf . E such that the current I_(0)=1.0A in the circuit is constant. (ii) energy supplied by the battery by the time rod stops.

L is a smooth conducting loop of radius l=1.0 m & fixed in a horizontal plane.A conducting rod of mass m=1.0 kg and length slightly greater than l higed at the centre of the loop can rotate in the horizontal plane such that the free end slides on the rim of the loop.There is a uniform magnetic field of strength B=1.0 T directed vertically downward.The rod is rotated with angular velocity omega_(0)=1.0 rad//s and left.The fixed end of the rod and the rim of the loop are connected through a battery of e.m.f E a resistance R=1 Omega , and initially uncharged capacitor of capacitance C=1.0 F in series.Find (i)the time dependence of e.m.f M such that the current I_(0)=1.0 A in the circuit is contant. (ii)energy supplied by the battery by the time rod stops.

A rod of mass m , length l and resistance R is sliding down on a smooth inclined parallel rails with a cinstant velocity v . If a uniform horizontal magnetic field B exists, then find thevalue of B .

A body kept on a smooth inclined plane having inclination 1 in x will remain stationary relative to the inclined plane if the plane is given a horizontal accelertion equal to

A uniform rod of mass M and length a lies on a smooth horizontal plane. A particle of mass m moving at a speed v perpendicular to the length of the rod strikes it at a distance a/4 from the centre and stops after the collision. Find a. the velocity of the cente of the rod and b. the angular velocity of the rod abut its centre just after the collision.

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MOVING CHANGES & MEGNETISM)
  1. A semi circular current loop is placed in an uniform magnetic field of...

    Text Solution

    |

  2. A straight wire of length 30 cm and mass 60 mg lies in a direction 30^...

    Text Solution

    |

  3. A horizontal rod of mass 10 g and length 10 cm is placed on a smooth p...

    Text Solution

    |

  4. A straight horizontal wire of mass 10mg and length 1.0 cm carries a cu...

    Text Solution

    |

  5. A conductor of length 20cm and mass 18 mg lies in a direction of 60^@ ...

    Text Solution

    |

  6. A parabolic section of wire, as shown in figure is located in the X-Y ...

    Text Solution

    |

  7. A thin flexible wire of length L is connected to two adjacent fixed po...

    Text Solution

    |

  8. A current I flows in an infinitely long wire with cross section in the...

    Text Solution

    |

  9. A current of 2A flows in a network containing two equilateral triangle...

    Text Solution

    |

  10. A particle of charge -16xx10^(-18) coulomb moving with velocity 10 ms^...

    Text Solution

    |

  11. A wire carrying current I is tied between points P and Q and is in the...

    Text Solution

    |

  12. A proton (mass m) accelerated by a potential difference V flies throug...

    Text Solution

    |

  13. A positive charge 'q' of mass 'm' is moving along the +x axis. We wish...

    Text Solution

    |

  14. An electric current flows in a wire from east to west- What will be t...

    Text Solution

    |

  15. The ratio of the magnetic field at the centre of a current carrying ci...

    Text Solution

    |

  16. Equal current i flow in two segment of a circular loop in the direc...

    Text Solution

    |

  17. Two wires A and B are of lengths 40 cm and 30 cm. A is bent into a cir...

    Text Solution

    |

  18. A circular coil of radius 2R is carrying current 'i' . The ratio of ma...

    Text Solution

    |

  19. The magnetic field due to a current carrying circular loop of radius ...

    Text Solution

    |

  20. The field due to a wire of n turns and radius r which carries a curren...

    Text Solution

    |