1.

A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid : (a) will decrease (b) will increase (c) will become zero (d) will remain the same

Answer»

A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid :

(a) will decrease (b) will increase

(c) will become zero (d) will remain the same



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