Single Answer MCQ
Q-00019395

How much energy is consumed by a 100 W bulb in 5 hours?

1

500 J

2

180,000 J

3

360,000 J

4

2,000 J

Answer and Solution

Answer

C. 360,000 J

Solution:

Energy = Power × Time = 100 W × (5 × 3600 seconds) = 100 × 18,000 = 1,800,000 J or 360,000 J.

Watch Video Solution