Magnetics 2 Question 11
11. A long straight wire along the -axis carries a current in the negative -direction. The magnetic vector field at a point having coordinate on the plane is
(2002, 2M)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 11. (a)
Solution:
- Magnetic field at
is , perpendicular to in the direction shown in figure.
So,
Here,