Home
Class 12
PHYSICS
A magnetic needle suspended freely...

A magnetic needle suspended freely

A

a) orients itself in a definite direction

B

b) remains in a direction

C

c) become itself in a definte direction

D

d) become extical with N-pole down

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED -III. FILL IN THE BLANKS :|35 Videos
  • MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED - III. MATCH THE FOLLOWING :|5 Videos
  • MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT

    FULL MARKS|Exercise TEXT EVALUATION SOLVED - NUMERICAL PROBLEMS|8 Videos
  • ELECTROSTATICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED ( VII. NUMERICAL PROBLEMS )|5 Videos
  • OPTICS

    FULL MARKS|Exercise ADDITIONAL QUESITON - II ADDITIONAL PROBLEMS:|11 Videos

Similar Questions

Explore conceptually related problems

A magnetic needle suspended by a silk thread is vibrating in the earth's magnetic field. If the temperature of the needle is increases by 500^(@) C , then

A magnetic needle is free to rotate in a vertical plance which makes an angle of 60^@ with the magnetic meridian. If the needle stays in a direction making an angle of tan^(-1) (2sqrt(3)) with the horizontal, what would be the dip at that place?

A magnetic needle is free to rotate in a vertical plans parallel to the magnetic meridian has its north tip down at 60^(@) with horizontal . The horizontal component of the earth's magnetic field at the place is known to be 0.4 xx 10^(-4) T determine the magnitude of earth's magnetic field at the place.

A magnetic needle is placed in a uniform magnetic field. It experienece

A magnetic needle lying parallel to a magnetic field requires W units of work to turn it through 60^@ The torque required to keep the needle in this position will be

A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down at 22^@ with the horizontal . The horizontal component of the earth's magnetic field at the place is known to be 0.35 G . Determine the magnitude of the earth's magnetic field at the place.

A magnetic needle free to rotate in a fixed vertical plane stays in a direction making an angle of 60^@ with the horizontal. If the dip at that plane is 37^@ , find the angle of the fixed vertical plane with the meridian.

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.

A magnetic needle is kept in a non-uniform magnetic field. It experiences

FULL MARKS-MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT -ADDITIONAL QUESTIONS SOLVED
  1. Relative permeability of iron is 5500. Its magnetic susceptibility is

    Text Solution

    |

  2. The inherent property of all matter is

    Text Solution

    |

  3. A magnetic needle suspended freely

    Text Solution

    |

  4. The earth's magnetic field at a given point is 0.5 xx 10^(-5) Wb m^(2)...

    Text Solution

    |

  5. A frog can be leviated in a magnetic field produced by a current in a ...

    Text Solution

    |

  6. The magnetic moment of a current carrying circular coil of radius r va...

    Text Solution

    |

  7. For a paramagnetic material, the dependence of the magnetic susceptibi...

    Text Solution

    |

  8. A charged paticle (charge q ) is moving in a circle of radius R with u...

    Text Solution

    |

  9. Nickel shows ferromagnetic property at room temperature. If the temper...

    Text Solution

    |

  10. A proton enters a magnetic field of flux density 1.5 Wb/m^(2) with a s...

    Text Solution

    |

  11. A moving charge produces

    Text Solution

    |

  12. A straight conductor carrying a current I, is split into a circular lo...

    Text Solution

    |

  13. In a moving coil galvanometer the current 'I' is related to the deflec...

    Text Solution

    |

  14. The magnetic moment of a current carrying circular coil of radius r va...

    Text Solution

    |

  15. A moving charge is subjected to an external magnetic field. The change...

    Text Solution

    |

  16. Lorentz force is given by

    Text Solution

    |

  17. A circular loop has radius R and a current I flows through it. Another...

    Text Solution

    |

  18. The magnetic field inside a solenoid is

    Text Solution

    |

  19. A circular loop of area 0.01 m^(2) and carrying a current of 10A is pl...

    Text Solution

    |

  20. In a current carrying long solenoid the field produced does not depend...

    Text Solution

    |