A straight conductor carrying current produces a magnetic field around – InterviewSolution

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1.	A straight conductor carrying current produces a magnetic field around it. Does it possess a north or a south pole similar to a bar magnet ? what shape should be given to the conductor so as to have magnetic poles ?
Answer» Solution :Recall the definition of magnetic poles. In a BAR MAGNET, its strength is concentrated at the ends. COMPARE the magentic lines of force due to a bar magnet and a current carrying conductor. How does the shape of magnetic lines of force change when a current carrying conductor is bent to FORM a circular COIL ?

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