Jee Main
Magnetic Properties Of Matter
JEE Main 2026 (Online) 4th April Evening Shift
MCQ+4 / -12026
A solenoid has a core made of material with relative permeability 400 . The magnetic field produced in the interior of solenoid is 1.0 T . The magnetic intensity in SI units is $\alpha \times 10^5$. The value of $\alpha$ is $\_\_\_\_$ .
(Free space permeability $\mu_0=4 \pi \times 10^{-7}$ SI units.)