A bar magnet is demagnetized by inserting it inside a solenoid of length \(0.2 m , 100\) turns, ....

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A bar magnet is demagnetized by inserting it inside a solenoid of length \(0.2 m , 100\) turns, and carrying a current of \(5.2 A\). The coercivity of the bar magnet is 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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