Home
Class 11
PHYSICS
A short bar magnet with its north pole f...

A short bar magnet with its north pole facing north forms a neutral point at `P` in the horizontal plane. If the magnet is rotated by `90^(@)` in the horizontal plane, the net magnetic induction at `P` is (Horizontal component of earth's magnetic field `=B_(H))`

A

zero

B

`sqrt3B_(H)`

C

`2B_H`

D

`sqrt5B_(H)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

Similar Questions

Explore conceptually related problems

A bar magnet is placed with its north pole towards geographic north. The neutral point

At neutral point, the horizontal component of the magnetic field due to a magnet is

Earth's magnetic field always has a horizontal component except at

A bar magnet of moment of inertia of 500 gcm^2 makes 10 oscillations per minute in a horizontal plane. What is its magnetic moment, if the horizontal component of earth's magnetic field is 0.36 gauss?

Choose the corect options. A place where the horizontal component of Earth's magnetic is zero lies at

At a certain place the angle of dip is 30^(@) and the horizontal component of earth's magnetic field is 0.50 oersted. The earth's total magnetic field is

At a given place on the earth a bar magnet of magnetic moment vec(m) is kept horizontal in the East-West direction. P and Q are the two neutral points due to magnetic field of this magnet and vec(B_H) is the horizontal component of the Earth's magnetic field. Calculate the angles between position vectors of P and Q with the direction of vec(m)

A bar magnet is 10 cm long is kept with its north (N) pole pointing north. A neutral point is formed at a distance of 15 cm from each pole. Given the horizontal component of earth's field is 0.4 Gauss, the pole strength of the magnet is

TARGET PUBLICATION-MAGNETISM-MCQs
  1. The ratio of magnetic fields due to a bar magnet at the two axial poin...

    Text Solution

    |

  2. Which magnetic field is closer to that of a bar

    Text Solution

    |

  3. A circular loop and a square loop are formed from the same wire and th...

    Text Solution

    |

  4. A charge Q is spread uniformly over an insulated ring of radius R.What...

    Text Solution

    |

  5. At neutral point, the horizontal component of the magnetic field due t...

    Text Solution

    |

  6. Assertion: If a compass needle be kept at magnetic north pole of the e...

    Text Solution

    |

  7. A bar magnet is hung by a thin cotton thread in a uniform horizontal m...

    Text Solution

    |

  8. A circular coil of diameter 10 cm is placed in a magnetic field of ind...

    Text Solution

    |

  9. Assertion: The magnetic poles of earth do not coincide with the geogra...

    Text Solution

    |

  10. The magnetic compass is not useful for navigation near the magnetic po...

    Text Solution

    |

  11. A short bar magnet with its north pole facing north forms a neutral po...

    Text Solution

    |

  12. The angle of dip at a place is delta. If the dip is measured in a plan...

    Text Solution

    |

  13. A bar magnet is 10 cm long is kept with its north (N) pole pointing no...

    Text Solution

    |

  14. The valence electron in the lithium atom is moving with a speed of 1.8...

    Text Solution

    |

  15. Two short magnets with pole strengths of 100 ab ampere-cm and 64 ab am...

    Text Solution

    |

  16. When magnetised, length of an iron bar

    Text Solution

    |

  17. A bar magnet is placed with its north pole towards geographic north. T...

    Text Solution

    |

  18. Choose the incorrect statement.

    Text Solution

    |

  19. A ship is sailing due west according to Mariner's compass. If the decl...

    Text Solution

    |

  20. The earth's magnetic field at the equator is approximately 0*4G, Estim...

    Text Solution

    |