Q. The alternating voltage induced in the secondary coil of a transformer is mainly due to
A) A varying electric field
B) A varying magnetic field
C) The vibrations of the primary coil
D) The iron core of the transformer
Explanation
The correct answer is Option B: A varying magnetic field.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.