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प्रश्न
When a magnetic compass needle is carried nearby to a straight wire carrying current, then
- the straight wire cause a noticeable deflection in the compass needle.
- the alignment of the needle is tangential to an imaginary circle with straight wire as its centre and has a plane perpendicular to the wire.
पर्याय
(I) is correct.
(II) is correct.
both (I) and (II) are correct.
niether (I) nor (II) is correct.
MCQ
उत्तर
both (I) and (II) are correct.
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