MCQ
An inductor having an iron core has its terminals connected across an ideal $DC$ source with a resistance $R$ in series with inductor and it is in steady state. If the iron core is removed, the current flowing through the inductor just after removal of rod
  • Increases
  • B
    Decreases
  • C
    Remains unchanged
  • D
    First increases then decreases

Answer

Correct option: A.
Increases
a
Flux does not change immediately

$\mathrm{I}_{1} \mathrm{i}_{1}=\mathrm{I}_{2} \mathrm{i}_{2}$

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