Physics · 2023
JEE Main · 10 April 2023, Shift 1 · Q59
The current required to be passed through a solenoid of 15 cm length and 60 turns in order to demagnetise a bar magnet of magnetic intensity 2.4 ×…
The current required to be passed through a solenoid of $\displaystyle 15$ cm length and $\displaystyle 60$ turns in order to demagnetise a bar magnet of magnetic intensity $\displaystyle 2.4 \times 10^3 A m^{-1}$ is $\displaystyle \_\_\_\_$ $\displaystyle A$.
Official answer
From NTA’s final answer key for this paper.
6
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.