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प्रश्न
Which of the following substances are para-magnetic?
Bi, Al, Cu, Ca, Pb, Ni
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उत्तर
Paramagnetic substances are Aluminum (Al) and Calcium (Ca).
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संबंधित प्रश्न
Two substances A and B have their relative permeability slightly greater and slightly less than 1 respectively. What do you conclude about A and B as far as their magnetic materials are concerned?
Identify the following magnetic materials :
What happens to a ferromagnetic material when its temperature increases above curie temperature?
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The magnetic property of magnetic substance is associated with ____________.
A domain in a ferromagnetic substance is in the form of a cube of side length 1 µm. If it contains 6 x 1010 atoms and each atomic dipole has a dipole moment of 7 x 10-24 Am2, then magnetization of the domain is ____________.
Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond curie temperature, then it will show ______.
For a diamagnetic material
According to the Atomic theory, on heating a magnet, the thermal energy of the elementary magnet ______
If the magnetizing field on a ferromagnetic material is increased, its permeability ______.
