An _____________ can be used for detecting weak currents in a circuit
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compass
A magnetic field is created around a current carrying wire even when very small amount of current is passed through it. A compass needle shows deflection in the presence of magnetic field. Hence, a compass can be used to detect a weak current.Jun 9, 2020
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A magnetic field is created around a current carrying wire even when very small amount of current is passed through it. A compass needle shows deflection in the presence of magnetic field. Hence, a compass can be used to detect a weak current.
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