20. (1) Why does the rod get displaced?
(a) Due to a larger current flowing through the aluminium rod,
(b) It is due to a force exerted on the current-carrying aluminium rod when it is placed in
a magnetic field.
(c) Due to less current flowing through the aluminium rod.
(d) None of the above reasons.
Answers
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Answer:
none of the above reasons
Explanation:
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