A bar magnet of dipole moment M and pole strength m is cut in four part as shown in figure. then the strength and dipole moment of each piece become (1) m/2,M/4 (2) m/4,M/4 (3) m,M/4 (4) m/2 ,M/2
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Explanation:
Draw the symbols of commonly used components in electric circuit diagrams for:
(i) An electric cell
(ii) open plug key
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