Assertion :When current is represented by a straight line, the magnetic field will be circular. Reason: According to Fleming's left hand rule, direction of force is parallel to the magnetic field.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
The straight current carrying conductor produces a magnetic field around it in the form of concentric circular field lines with the conductor at the center. So assertion is correct.
The direction of force on a current carrying conductor is perpendicular to magnetic field. So reason is wrong.

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