Physics · 2021
JEE Main · 25 July 2021, Shift 1 · Q30
The value of aluminium susceptibility is 2.2 × 10^-5. The percentage increase in the magnetic field if space within a current carrying toroid is…
The value of aluminium susceptibility is $\displaystyle 2.2 \times 10^{-5}$. The percentage increase in the magnetic field if space within a current carrying toroid is filled with Aluminium is $\displaystyle \frac{x}{10^4}$. Then the value of $\displaystyle x$ is \_\_\_\_.
Official answer
22
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.