Magnetism is induced in pins with the help of a magnet.
(i) What is the cause of repulsion between the heads of the pins.
(ii) Explain what will happen to the induced magnetism in the pins if the magnet is removed?
Answers
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities
Magnetic Induction: the property by which an ordinary piece of iron acquires magnetic properties temporarily due to the presence of another magnet close to it, is known as magnetic induction. Take a long nail. ... Spread some iron pins on the base of the stand. It is seen the pins do not get attracted to the nail.
Answer (I) : This occurs because like poles repel each other. Hence, their pointed ends move apart.
Answer(ii) : What will happen if the magnet is removed? The iron bar acquires magnetism due to magnetic induction. If the magnet is removed, the iron bar loses its magnetism. 'Induced magnetism is temporary'.
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