Describe an experiment with labelled diagram to show that the strength of an electromagnet depends on (a) number of turns of a conducting wire (b) the strength of the current and (c) nature of the core material used.
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Describe an experiment with labelled diagram to show that the strength of an electromagnet depends on (a) number of turns of a conducting wire (b) the strength of the current and (c) nature of the core material used.
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Answer:
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