NEETPhysics-Alternating Current

NEET Physics Inductors in AC Circuits MCQ Question

Type: MCQ-conceptual-Medium-Class 12

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

Question diagram
A

decreases

B

increases

C

unchanged

D

bulb will be fused

Correct Answer

Option A

Detailed Explanation

Inserting an iron rod increases the inductance, which reduces the current in the circuit, causing the bulb to glow less brightly.

Found an issue with this question?