NEET Physics Inductors in AC Circuits MCQ Question
A light bulb and an open coil induction are connected in series to an ac source as shown in figure. Now an iron rod is inserted into the interior of the inductor. The glow of the light bulb
decreases
increases
unchanged
bulb will be fused
Correct Answer
Detailed Explanation
Inserting an iron rod increases the inductance, which reduces the current in the circuit, causing the bulb to glow less brightly.
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