A) 0.2 Tesla
B) 0.8 Tesla
C) 0.1 Tesla
D) 1.6 Tesla
Correct Answer: A
Solution :
\[B=\frac{{{\mu }_{0}}i}{2\pi r}\,i.e.\,\,B\propto \frac{1}{r}i.e.\]when \[r\] is doubled, \[B\] is halved.
You need to login to perform this action.
You will be redirected in
3 sec
