Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Communication

Question:

A power transmission line feeds input power at 2200 V to a step down transformer with its primary windings having 4000 turns. The number of turns in the secondary in order to get output power at 220 V will be:

Options:

4000

400

40

40000

Correct Answer:

400

Explanation:

The correct answer is Option (2) → 400