Calculation: GQJQD9 - 1

B =

μ* μ0* I

/ ( 2* π

* r)

B =

μ* μ0* I

/ ( 2* π

* r)

B

=

\frac{\mu\cdot \mu0\cdot I}{2\cdot \pi\cdot r}

B =

I* μ* μ0

/ 2/ r/ π

B

=

\frac{I\cdot \mu\cdot \mu0}{2\cdot r\cdot \pi}

B =

0.5* I* μ* μ0

/ r/ π

B

=

\frac{0.5\cdot I\cdot \mu\cdot \mu0}{r\cdot \pi}