A vertical straight conductor carries a current vertically upwards. A – McqOptions

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1.	A vertical straight conductor carries a current vertically upwards. A point P lies to the east of it at a small distance and another point Q lies to the west at the same distance. The magnetic field at P is [MNR 1986; DPMT 2004]
A.	Greater than at Q
B.	Same as at Q
C.	Less than at Q
D.	Greater or less than at Q depending upon the strength of the current
Answer» C. Less than at Q

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