Question

A current of 4 ampere flows through a
12 volt car headlight bulb for 10 min.
How much energy transfer occurs during
this time.( in kwh).
​

Answer 1

power loss on headlight p = V * I

=> p = 48 W

so energy loss in Kwh = 48 * (10/60) / 1000

= 8 * 10 ^-3 kwh