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30 Dec 2020
A bar magnet has a coercivity of 
. It is placed inside a solenoid of length 12 cm having 60 turns in order to demagnetize it, the amount of current that should be passed through the solenoid is:
A bar magnet has a coercivity of . It is placed inside a solenoid of length 12 cm having 60 turns in order to demagnetize it, the amount of current that should be passed through the solenoid is:
Ankit LalLv10
30 Dec 2020
