A straight wire carries a current verticallyupwards. A point P lies to – InterviewSolution

1.	A straight wire carries a current verticallyupwards. A point P lies to the east of it at a smalldistance and another point Q lies to the west atthe same distance. The magnetic field at P is(consider earth field) :(1) Greater than at Q(2) Same as at Q(3) Less than at Q(4) Greater or less than at Q, depending upon thestrength of current
Answer» A straight wire carries a current verticallyupwards. A point P lies to the east of it at a smalldistance and another point Q lies to the west atthe same distance. The magnetic field at P is(consider earth field) :(1) Greater than at Q(2) Same as at Q(3) Less than at Q(4) Greater or less than at Q, depending upon thestrength of current

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