Q. What is the power of a 100 W bulb in CGS units?

A) $10^{6}ergs^{- 1}$
B) $10^{7}ergs^{- 1}$
C) $10^{9}ergs^{- 1}$
D) $10^{11}ergs^{- 1}$
Explanation

100 W= 100 J $s^{- 1} = 10^{9}$ erg $s^{- 1}$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.