Question

The headlamp of a car takes a current of 0.4 ampere from a 12v supply . The energy produced in 15 minuites is?

Answer 1

Answer:

0.4 A * 12 V = 4.8 W = 4.8 J/s

4.8 J/s * (5 min * 60 s/min) = ? Joules