Home
Class 11
PHYSICS
A closet loop PQRS carrying a current is...

A closet loop PQRS carrying a current is placed in a uniform magnetic field. If the magnetic forces on segments PS,SR and RQ are `F_1,F_2`and `F_3` respectively and are in the plane of the paper and along the directions shown, the force on the segment QP is:
.

A

`F_3-F_1-F_2`

B

`sqrt((F_3-F_1)^2+F_2^2)`

C

`sqrt((F_3-F_1)^2-F_2^2)`

D

`F_3-F_1-F_2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    SARAS PUBLICATION|Exercise EXAMPLE|15 Videos

Similar Questions

Explore conceptually related problems

A circular coil ABCD carrying a current i is placed in a uniform magnetic field. If the magnetic force on the segment AB is vecF , the force on the remaining segment BCDA is:

A square loop PQRS carrying a current of 6.0 A is placed near a long wire carrying 10 A as shown in figure . (a) Show that the magnetic force acting on the part PQ is equal and opposite to that on the part RS. (b) Find the magnetic force on the square loop.

A current carrying closed loop in the form of a right angle isosceles triangle ABC is placed in a uniform magnetic field acting along AB. If the magnetic force on the arm BC is F, the force on the arm AC is:

A circular loop of radius a, carrying a current I, is placed in a tow dimensional magnetic field. The centre of the loop coincides with the centre of the filed The strenght of the magnetic field at the pariphery of the loop is B. find the magnetic force on the wire.

A square current carrying loop is suspended in a uniform magnetic field acting in the plane of the loop. If the force on one arm of the loop is vecF , the net force on the remaining three arms of the loop is :

A straight wire carrying an electric current is placed along the axis of a uniformly charged ring. Will there be a magnetic force on the wire if the ring starts rotating about the wire? If yes, in which direction?

Shows a circular wire-loop of radius a m carrying a current I, placed in a perpendicualr matgnetic field B. (a) Consider a small part dl of the wire. Find the force on this part of the wire exerted by the magnetic field. Find the force of compression in the wire.

A circular loop of area 1cm^2 , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is

No net force acts on a rectangular loop carrying a steady current when suspended freely in a uniform magnetic field. Is the statement correct or wrong? Justify your an swer.

SARAS PUBLICATION-WORK, ENERGY AND POWER-EXAMPLE
  1. If Q, E and W denote respectively the heat added, change in internal e...

    Text Solution

    |

  2. A closet loop PQRS carrying a current is placed in a uniform magnetic ...

    Text Solution

    |

  3. An electric kettle takes 4A current at 220V . How much time will it ta...

    Text Solution

    |

  4. A particle moves in a straight line with a constant acceleration. It ...

    Text Solution

    |

  5. If F is the force acting on a particle having position vector vec r an...

    Text Solution

    |

  6. The internal energy change in a system that has absorbed 2 kcal of hea...

    Text Solution

    |

  7. A source S1 is producing 10^15photons per second of wavelength 5000ove...

    Text Solution

    |

  8. Two positive ions , each carrying a charge q, are separated by a dista...

    Text Solution

    |

  9. A body of mass M hits normally a rigid wall with velocity V and bounce...

    Text Solution

    |

  10. The potential energy of a system increases, if work is done

    Text Solution

    |

  11. Force F on a particle moving in a straight line varies with distanced ...

    Text Solution

    |

  12. The power obtained in a reactor using U235 disintegration is 1000 Kw. ...

    Text Solution

    |

  13. If the radius of a star is R and it acts as a block body . What would...

    Text Solution

    |

  14. A body of mass m falls from earth's surface at a height equal to twice...

    Text Solution

    |

  15. A person holdinga rifle (mass of person and rifle together is 100kg) s...

    Text Solution

    |

  16. One coolie takes 1 minute to raise a suitcase through a height of 2m ...

    Text Solution

    |

  17. A system is taken from state a to state c by two paths adc and abc a...

    Text Solution

    |

  18. A projectile is fired from the surface of the earth with a velocity of...

    Text Solution

    |

  19. The force F acting on a particle of mass m is indicated by the force t...

    Text Solution

    |

  20. A body of mass 4 m is lying in xy - plane at rest. It suddenly explode...

    Text Solution

    |