Question Detail
Question
The working principle of transformer depends on...
Correct Answer
Option B is the correct answer.
Detailed Explanation
Transformers work by electromagnetic induction - a changing current in the primary coil creates a changing flux, which induces an EMF in the secondary coil, as described by Faraday's Law.
Hint
Transformers work by electromagnetic induction - a changing current in the primary coil creates a changing flux, which induces an EMF in the secondary coil, ...