Entry Test MCQ :: Electromagnetic Induction

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The self-inductance of a solenoid is increased when a soft iron core is inserted into it. This is because the soft iron core

[A].	Decreases the resistance of the solenoid	[B].	Reduces the effect of eddy current
[C].	Improves the flux linkage between the turns of the coil	[D].	Increases the mutual inductance between the solenoid and the core

Answer: Option C