Q 12-05-043JEE MainJEE Main 2023 (8 Apr, Shift 1)Easy
The magnetic intensity at the centre of a long current carrying solenoid is found to be $1.6\times10^3\ \text{A m}^{-1}$. If the number of turns is $8$ per cm, then the current flowing through the solenoid is ______ A.
Numerical value type. Enter your answer.
Answer: 2
$H=nI\Rightarrow I=\dfrac{1600}{800}=2$ A.
Solution by Sreeraj P, M.Sc Physics