Q. An AC generator of 220 V have internal resistance $r = 10\ \Omega$ and external resistance $R = 100\ \Omega.$ What is the power developed in the external circuit?
A) 227 W
B) 325 W
C) 400 W
D) 500 W
Explanation
The correct answer is Option C: 400 W.
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.