Q. The primary winding of a transformer has 200 turns and its secondary winding has 50 turns. If the current in the secondary winding is 40 A, the current in the primary is
A) 10 A
B) 80 A
C) 160 A
D) 800 A
Explanation
(a) $i_{P} = \frac{n_{s}}{n_{P}}i_{s} = \frac{50}{200} \times 40 = 10\ $A
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.