Q. The ratio of secondary to primary turns is 9 : 4. If power input is $P$, what will be the ratio of power output (neglect all losses) to power input
A) 4 : 9
B) 9 : 4
C) 5 : 4
D) 1 : 1
Explanation
(d) Since all the losses are neglected
So $P_{out} = P_{in}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.