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Distinguish between North pole and south...

Distinguish between North pole and south pole of a magnet

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Knowledge Check

  • Assertion: Magnetic field strength at a point on axial line of a bar magnet is along South to North pole of magnet. Reason: The magnetic field strength can never be along North to South pole of magnet.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true and reason is not the correct explanation of assertion.
    C
    If assertion is ture but reason is false.
    D
    If both assertion and reason are false.

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    If a diamagnetic substance is brought near north or south pole of a bar magnet, it is

    If a diamagnetic substance is brought near north or south pole of a bar magnet, it is

    A: Every magnetic configuration magnetic field north pole and south pole. R: North pole, south pole exists only if the source of the field has net magnetic dipole moment.

    The distance between the poles of a horse shoe magnet is 0.1 m and its pole strength is 0.01 amp-m. The induction of magnetic field at a point midway between the poles will be

    In the figure here a paramagnetic sphere is located near south pole of a bar magnet . The magnetic dipole moment of sphere is

    Assertion (A): It is not necessary that every magnet has one north pole and one south pole. Reason (R ): It is a basic fact that magnetic poles occur in pairs

    Two long bar magnets are placed with their axes coinciding in such a way that the north pole of the first magnet is 2.0cm from the south pole of the second. If both the magnets have a pole strength of 10 Am , find the force exerted by one magnet on the other.

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