Question

how can we detect the presence of current​

Answer 1

Answer:

Compass surrounded by wire

Compass surrounded by wireA 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.

Explanation:

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Answer 2

Answer:

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.

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