MAGNETIC AND SEMICONDUCTOR MCQs

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1. . Natural magnet has:





2. . The term magnetism comes from the region:





3. . The substances which have weak negative susceptibility to a magnetic field are materials:





4. . The substances which have a small, positive susceptibility to magnetic fields are materials:





5. . The substances which have a large, positive susceptibility to an external magnetic field are materials:





6. . The group of atoms pointing in the same direction is called:





7. . Number of atoms in a domain are:





8. . The temperature at which ferromagnetic substances turn into paramagnetic substances is called:





9. . Band theory of solids has explained the behaviour of:





10. . Which of the following has the greatest energy gap:





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