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Magnetism and M...

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  • Question 1
    4 / -1

    Relative permittivity and permeability of a material are ɛr and µr, respectively. Which of the following value of these quantities are allowed for a diamagnetic material

  • Question 2
    4 / -1

    The magnetic susceptibility of paramagnetic materials is

  • Question 3
    4 / -1

    Which of the following is most suitable for the core of electromagnets

  • Question 4
    4 / -1

    Demagnetisation of magnets can be done by

  • Question 5
    4 / -1

    Which one of the following characteristics is not associated with a ferromagnetic material

  • Question 6
    4 / -1

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

  • Question 7
    4 / -1

    The permanent magnet is made from which one of the following substances

  • Question 8
    4 / -1

    A paramagnetic substance of susceptibility 3 × 10–4 is placed in a magnetic field of 4 × 10–4 Am–1. Then the intensity of magnetization in the units of Am–1 is

  • Question 9
    4 / -1

    The only property possessed by ferromagnetic substance is

  • Question 10
    4 / -1

    Substances in which the magnetic moment of a single atom is not zero, is known as

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