The current required to be passed through a solenoid of 15 cm len… | JEE Main 2023 Physics PYQ

NVAEasyJEE Main 2023 · 10 April, Shift 1Magnetic Dipole & Bar Magnet

The current required to be passed through a solenoid of $15 \, \text{cm}$ length and $60$ turns to demagnetize a bar magnet of magnetic intensity $2.4 \times 10^3 \, \text{A/m}$ is:

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