Electric current is passed through a straight conductor passing through the centre of a piece of cupboard. Some iron filings are sprinkled on the cardboard and tapped. How will the iron filings spread out around the conductor ?

settle as parallel lines

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settle as circles

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settle at one point

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do not acquire any regular pattern

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Solution

The correct option is C settle as circles
The iron filings around the conductor settle as circles indicating the field lines of a magnetic field around a straight current carrying conductor.

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Q. Electric current is passed through a straight conductor passing through the center of a piece of cardboard .Some iron fillings are sprinkled on the cardboard and tapped.The iron fillings around the conductor

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Electric current is passed through a straight conductor passing through the centre of a piece of cupboard. Some iron filings are sprinkled on the cardboard and tapped. How will the iron filings spread out around the conductor ?

The correct option is C settle as circlesThe iron filings around the conductor settle as circles indicating the field lines of a magnetic field around a straight current carrying conductor.

The correct option is C settle as circles
The iron filings around the conductor settle as circles indicating the field lines of a magnetic field around a straight current carrying conductor.