What happens when a current carrying metallic comb is placed close to – InterviewSolution

1.	What happens when a current carrying metallic comb is placed close to small iron filings?
Answer» iron filings will fly AWAY from the COMB, when switch is turned off. iron filings ALIGN in the direction of the magentic field produced around the METALLIC comb. iron filings wil be attracted by the comb. Both (a) and (b) Solution :As the switch is turned ON, he current flows through the circuit and magnetic field will be produced around it. All iron filings wil align in the direction fo a magnetic field. But the metallic comb will not behave, like anelectro magnet, and hence, the iron filings will neither be attracted nor repelled.

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