ElectroMagnetic InductionHard
Question
A solenoid having an iron core has its terminals connected across an ideal DC source and it is in steady state. If the iron core is removed, the current flowing through the solenoid just after removal of rod
Options
A.increases
B.decreases
C.remains unchanged
D.nothing can be said
Solution
Current will have to increase in order to oppose the cause (decrease in field).
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