A solenoid is connected to a battery so that a steady current flows through it. If an iron core is inserted into the solenoid, the current will
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The current will decrease this is because inserting an iron core in the solenoid, the magnetic field increase and hence magnetic flux linked with the solenoid increase as per Lenz’s law the emf induced in the solenoid will oppose this increase which can be achieved by a decrease in current.
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