Jee Main
Magnetic Properties Of Matter
JEE Main 2024 (Online) 8th April Evening Shift
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The coercivity of a magnet is \(5 \times 10^3 \mathrm{~A} / \mathrm{m}\). The amount of current required to be passed in a solenoid of length \(30 \mathrm{~cm}\) and the number of turns 150, so that the magnet gets demagnetised when inside the solenoid is ________ A.
