What current must be passed through a solenoid of length 15 cm and 60 turns to demagnetise a bar magnet of coercive magnetic intensity 2.4×10³ A/m? Answer in ampere.
Physics · Magnetic effect of current
What current must be passed through a solenoid of length 15 cm and 60 turns to demagnetise a bar magnet of coercive magnetic intensity 2.4×10³ A/m? Answer in ampere.