A vertical straight conductor carries a current vertically upwards. A point P lies to the…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
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 in the same direction. The magnetic field at P is:
- same as at Q
- greater than at Q
- less than at Q
- greater or less than at Q, depending upon the strength of the current
Answer
(A) same as at Q
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