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Write balancing condition of a Wheatstone bridge. Current ‘ ’ flowing through a metallic wire is…
(i)[1.0]
Write balancing condition of a Wheatstone bridge.
(ii)[1.0]
Current ‘$I$’ flowing through a metallic wire is related to drift speed $v_d$ of free electrons as follows:
$I = nAev_d$
State what the symbol ‘$n$’ stands for.
Answer
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From ISC 2023 Physics Paper 1, question 3.