A straight wire 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

Question:

Options :

(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 :

(b) Same as at Q

Answer Steps :

step 1:

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