Question

A torch bulb rated 5v and 500mA. Calculate energy consumed in 2.5 hours

Answer 1

Answer:

6.25 joules

Explanation:

Rating of bulb: 5v, 500 mA or, 0.5 A

Energy consumed in 1 hour = (5 x 0.5) joules = 2.5 joules

energy consumed in 2.5 hrs = 6.25 joules

Thank You :)