An infinitely long wire, located on the z -axis, carries a current I along the + z…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
An infinitely long wire, located on the z-axis, carries a current I along the +z-direction and produces the magnetic field 
The magnitude of the line integral \(\vec{B} \cdot \overrightarrow{d l}\)along a straight line from the point 
to (a, a, 0) is given by
[μ0 is the magnetic permeability of free space.]
The magnitude of the line integral \(\vec{B} \cdot \overrightarrow{d l}\)along a straight line from the point to (a, a, 0) is given by [μ0 is the magnetic permeability of free space.]
- 7m0I/24
- 7m0I/12
- m0I/8
- m0I/6
Answer
(A) 7 m 0 I /24
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