permanent magnets are made ofa soft magnetic
Permanent magnets are made of
(A) Soft magnetic materials. (B) Hard magnetic materials.
(C) Semi conductors. (D) Super conductors.
Ans:
Permanent magnets are made of hard magnetic materials.
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bronze is an alloy of a copper b aluminium c silver d carbon ansbronze is an alloy of
ceramics are good a insulators b conductors c superconductors
which of the following represents the correct sets of the four quantum numbers of a 4d electron1 43212
the critical temperature above which the ferromagnetic materials lose their magnetic property is known asa
permanent magnets are made ofa soft magnetic materials b hard magnetic materialsc semi
which of the following statements is not correct for an electron that has the quantum numbers n4 and m 21 the electron may have the
holes are majority carriers ina p-type semiconductors b n-type semiconductorsc insulators d
the set of quantum numbers not applicable for an electron in an atom is1 n 1 l1 m1 1 ms 12 2 n 1 l0 m1 0 ms 12
correct configuration of fe3 26 is1 1s2 2s2 2p6 3s2 3p6 3d5 2 1s2 2s2 sp6 3s2 3p6 3d3 4s2 3 1s2 2s2
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