A solenoid having area A and length ℓ is filled with a material h… | JEE Main 2025 Physics PYQ

MCQEasyJEE Main 2025 · 2 April, Shift 2Self & Mutual Inductance

A solenoid having area $A$ and length $\ell$ is filled with a material having relative permeability $2$ . The magnetic energy stored in the solenoid is:

A
$\frac{B^2 A \ell}{\mu_0}$
B
$\frac{B^2 A \ell}{2\mu_0}$
C
$B^2 A \ell$
D
$\frac{B^2 A \ell}{4\mu_0}$

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