Home
Class 12
PHYSICS
A current carrying closed lop in the for...

A current carrying closed lop 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 `vecF` the force on the arm AC is

A

`-sqrt2F`

B

`-vecF`

C

`vecF`

D

`sqrt2vecF`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS-I, II AND III

    PATHFINDER|Exercise QUESTION BANK|290 Videos
  • MAGNETISM AND MATTER

    PATHFINDER|Exercise QUESTION BANK|32 Videos

Similar Questions

Explore conceptually related problems

What is the magnitude of force experienced by stationary charge placed in a uniform magnetic field?

A straight wire of length 2 m carries a current of 10 A. If this wire is placed in a uniform magnetic field of 0.15 T making an angle of 45^(@) with the magnetic field, the applied force on the wire will

A particle with charge q is moving with a velocity vecv in a magnetic field vecB . If the force acting on the particle is vecF then,

A rectangular coil carrying current I is placed in a uniform magnetic field B such that the direction of B is perpendicular to the plane of the coil. Calculate the torque experienced by the coil.

Obtain an expression for the torque acting on a current carrying rectangular coil placed in a uniform magnetic field when the plane of the coils is parallel to the magnetic lines of force.

Calculate the torque acting on a rectangular coil carrying current I placed in a uniform magnetic field when the plane of the coil is perpendicular to the magnetic lines of force.

An electron is moving along +ve x-axis in the presence of uniform magnetic field along +Y axis. What is the direction of the force acting on it?

Derive an expression for the torque on a rectangular coil of area A carrying. A current I and placed in a uniform magnetic field B. Indicate the direction the torque acting on the loop.

PATHFINDER-MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III-QUESTION BANK
  1. A strong magnetic field is applied on a stationary electron then the e...

    Text Solution

    |

  2. A uniform electron field and a uniform magnetic field are acting along...

    Text Solution

    |

  3. A current carrying closed lop in the form of a right angle isosceles t...

    Text Solution

    |

  4. A short bar magnet of magnetic moment 0.4JT^(-1) is placed in a unifor...

    Text Solution

    |

  5. Two particles X and Y having equal charge after being accelerated thro...

    Text Solution

    |

  6. Magnetic field at the centre of a circular loop of area A is B the mag...

    Text Solution

    |

  7. The vertical component of the earth's magnetic field is zero at the

    Text Solution

    |

  8. A dip needle free to move in a vertical plane perpendicular to the mag...

    Text Solution

    |

  9. If phi1 and phi2 are the angles of dip in two vertical plane at right ...

    Text Solution

    |

  10. If a dip circle is placed in a vertical plane at an angle of 30^@ to t...

    Text Solution

    |

  11. A galvanometer of resitance G is shunted by a resistance S ohm.to keep...

    Text Solution

    |

  12. Two tangent galvanometer having coils of the same radius are connected...

    Text Solution

    |

  13. A tangent galvanometer is connected directly to an ideal battery if th...

    Text Solution

    |

  14. If the current is doubled the deflection is also doubled in

    Text Solution

    |

  15. The most appropriate magnetisation M versus magnetising field H curve ...

    Text Solution

    |

  16. Which one of the following is not made of soft iron?

    Text Solution

    |

  17. The variation of magnetic susceptiblity (chi) with magnetising field (...

    Text Solution

    |

  18. Above curie point suspceptiblity of a ferromagnetic substance becomes

    Text Solution

    |

  19. A cyclotron's oscillator frequency is 10 MHz what should be the operat...

    Text Solution

    |

  20. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

    Text Solution

    |