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A long, straight wire carries a current ...

A long, straight wire carries a current along the z-axis. One can find two points in the x-y plane such that

A

the magnetic fields are equal

B

the directions of the magnetic fields are the same

C

the magnitudes of the magnetic fields are equal

D

the field at one point is opposite to that at the other point.

Text Solution

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The correct Answer is:
B, C, D
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