Question

Four conductors carrying $2.0\, A$ of current into or out of the page are shown in the diagram. $A$ path $C$ is indicated for the line integral $\oint B$. $d s$. Find the value of the integral for the path $C$.

• A. $2\,\mu_{0}$
• B. Zero
• C. $- 2\,\mu_{0}$
• D. $- 8\,\mu_{0}$

Answer 1

Answer: (C)

$- 2\,\mu_{0}$

Answer 2