When a magnetic compass needle is carried nearbyto a straight wire carrying current, then I. the straight wire cause a noticeable deflection in the compass needle. II. 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

When a magnetic compass needle is carried nearbyto a straight wire car

1.	When a magnetic compass needle is carried nearbyto a straight wire carrying current, then I. the straight wire cause a noticeable deflection in the compass needle. II. 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
Answer» (I) is correct (II) is correct both (I) and (II) are correct neither (I) nor (II) is correct Solution :Both points are correct and these are the RESULT of experments DONE by Danish physicist HANS Christian OERSTED in 1820.

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