Home
Class 12
PHYSICS
Two long conductors, separated by a dist...

Two long conductors, separated by a distance d carry currents `l_(1)` and `l_(2)` in the same direction. They exert a force F on each other. Now the current in one of them is increased to two times and its direction is reversed. The distance is also increased to 3d. The new value of the force between them is

A

`-2F`

B

`F/3`

C

`-(2F)/3`

D

`-F/3`

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-III|49 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-IB|71 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

Two long conductors, separated by a distance d carry current I_(1) and I_(2) in the same direction . They exert a force F on each other. Now the current in one of them is increased to two times and its direction is reversed . The distance is also increased to 3d . The new value of the force between them is

Two long conductors, separated by a distance d carry current I_(1) and I_(2) in the same direction . They exert a force F on each other. Now the current in one of them is increased to two times and its direction is reversed . The distance is also increased to 3d . The new value of the force between them is

Two thin, long, parallel wires, separated by a distance 'd' carry a current of 'i' A in the same direction. They will

Two long straight parallel conductors separated by a distance of 0.5m carry currents of 5A and 8A in the same direction. The force per unit length experienced by each other is

Two parallel wires separated by a distance of 10cm carry currents of 10 A and 40 A along the same direction, Where should a third current be placed so that it experience no magnetic force?

Two long parallel conductors carry currents I and 2I in the same direction. The magnetic induction at a point exactly mid way between them is B . If the current in the first conductor is reversed in direction, the magnetic induction at the same point will be

Two long and parallel straight wires A and B are carrying currents of 4A and 7A in the same directions are separated by a distance of 5cm. The force acting on a 8cm section of wire A is

When two parallel wires carrying current l and 2l in same direction are placed at a distance d apart, the ratio of force per unit length acting upon the wire due to other is

Two long straight parallel conductors 10 cm apart, carry currents of 5A each in the same direction. Then the magnetic induction at a point midway between them is

Two thin long parallel wires seperated by a distance 'b' are carrying a current ' I' amp each . The magnitude of the force3 per unit length exerted by one wire on the other is

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-II
  1. There long, straingth parallel wires carrying current, are arranged as...

    Text Solution

    |

  2. Find AB.

    Text Solution

    |

  3. Two long conductors, separated by a distance d carry currents l(1) and...

    Text Solution

    |

  4. A rectangul ar coil of wire of 100 turns and 10xx15cm^(2) size carryin...

    Text Solution

    |

  5. A 16cm^(2) coil has 20 turns. Its suspended by a phosphor bronze wire ...

    Text Solution

    |

  6. A rectangular coil of 500 turn 10^(-2)m^(2) area carrying 1 A is in a ...

    Text Solution

    |

  7. A rectangular coil of length 0.12 m and width 0.1.m having 50 turns of...

    Text Solution

    |

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

    Text Solution

    |

  9. A moving coil galvanometer 'A' has 200 turns and a resistance of 100Om...

    Text Solution

    |

  10. two galvanometers of resistance 100Omega and 50Omega, are 10^(-8)A//"d...

    Text Solution

    |

  11. A vertical circular coil of one turn and radius 9.42 cm is placed with...

    Text Solution

    |

  12. A current or 0.5 A produces a deflection of 60° in a tangent galvanome...

    Text Solution

    |

  13. A tangent galvanometer shows no deflection when a current is passed th...

    Text Solution

    |

  14. The senstivity of a galvanometer that measures current is decreased by...

    Text Solution

    |

  15. In a galvanometer 5% of the total current in the circuit passes throug...

    Text Solution

    |

  16. A galvanometer of resistance 150 ohm is shunted such that only 1/11 of...

    Text Solution

    |

  17. A galvanometer has coil of resistance 50Omega and shows full deflectio...

    Text Solution

    |

  18. A galvanometer has a current range of 15mA and voltage range of 750mv....

    Text Solution

    |

  19. To convert a 800 mV range milli-voltmeter of resistance 40.Q into a mi...

    Text Solution

    |

  20. In a galvanometer, a current of 1muA produces a deflection of 20 divis...

    Text Solution

    |