Q. A heater draws a current of $2A$ when connected to a $250\ V$ source. The rate of energy dissipation is
A) $500\ W$
B) $1000\ W$
C) $250\ W$
D) $125\ W$
Explanation
(a) $P = Vi = 250 \times 2 = 500\ W$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.