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10 Question-answer on Magnetism | Learn Physics

10 Question-answer on Magnetism 1.        A magnet is broken into three pieces in length. The strength of the new pole is … the strength of the poles of original magnet (a)     The same as (b)    One half (c)     Double (d)    One third Ans: ( a) 2.        The ratio of magnetic fields due to small bar magnet at a given distance in the end on position to board side on position is (a)     ¼ (b)    ½ (c)     1 (d)    2. Ans: (d) 3.        Magnetic fields do not interact with (a)     Stationary electric charge (b)    Moving electric charge (c)     Stationary permanent magnets (d)    Moving permanent magnets. Ans: (a) 4.        Magnetic field produced by electrons in atoms and molecules is d...