Science, asked by manjudevi0464, 10 months ago

how can a compass needle can be used as a tester

Answers

Answered by rajjay1711

Answer:

Explanation:

A compass needle can be used as a tester. It shows deflection for showing the presence of current. ... We know that when we take a current carrying wire near magnetic compass needle, it shows deflection. Use this property to make a tester of magnetic compass needle

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