Q. If a $2\ kW$ boiler is used everyday for 1 hour, then electrical energy consumed by boiler in thirty days is
A) 15 unit
B) 60 unit
C) 120 unit
D) 240 unit
Explanation
(b) Energy $= P \times t = 2 \times 1 \times 30 = 60\ kWh = 60\ $unit
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.