A magnet is similar to a bipolar charged system in that

Physics

JAMB 1980

A. it consists of two opposite poles - the north and south poles
B. the earth's magnetic field has a south pole near the geographical north pole and a north pole near the geographical south pole
C. the force of attraction and repulsion between opposite and between like poles obeys a law for electrostatic charges
D. A and B only
E. A and C only

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Correct Answer: Option E

Explanation

A magnet is similar to a bipolar-charged system in that it has two distinct poles: a north pole and a south pole. Like a bipolar-charged system, which has positive and negative charges, a magnet exhibits opposite magnetic forces. The north pole of one magnet attracts the south pole of another magnet, while like poles repel each other.

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