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Question
The magnetic field lines around a straight current carrying conductor is in the shape of
The magnetic field lines around a straight current carrying conductor is in the shape of
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Solution
The correct option is A concentric circles
Hans Christian Oersted found that a compass needle deflected when it was brought close to a current carrying conductor. To find the nature of magnetic field lines around a conductor, the conductor is made to pass through a hole in a cardboard paper and iron filings are sprinkled on the cardboard paper.
The way the iron filings arrange themselves gives the magnetic field around that point. It is observed that the iron filings arrange themselves in concentric circles, as shown.
Hence, magnetic field lines around a straight wire carrying a current form concentric circles around the wire.
Hans Christian Oersted found that a compass needle deflected when it was brought close to a current carrying conductor. To find the nature of magnetic field lines around a conductor, the conductor is made to pass through a hole in a cardboard paper and iron filings are sprinkled on the cardboard paper.
The way the iron filings arrange themselves gives the magnetic field around that point. It is observed that the iron filings arrange themselves in concentric circles, as shown.Hence, magnetic field lines around a straight wire carrying a current form concentric circles around the wire.
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