A current of `1/(4 pi)` amp is flowing in a straight conductor. The line integral of magnetic induction around a closed path enclosing the current carrying conductor i

Options

A. `10^(-7) wb//m`
B. `4 pi xx 10^(-7) wb//m`
C. `16 pi^2 xx 10^(-7) wb//m`
D. Zero

Answer

A