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प्रश्न
Which of the following correctly describes the magnetic field near a long straight wire?
विकल्प
The field consists of straight lines perpendicular to the wire
The field consists of straight lines parallel to the wire
The field consists of radial lines originating from the wire
The field consists of concentric circles centred on the wire
MCQ
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उत्तर
The field consists of concentric circles centred on the wire.
Explanation:
The magnetic field near a long straight wire consists of concentric circles centred on the wire.
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