A 100 watt electric bulb is used for five hours.how much energy is consumed by the bulb

Question

asked Sep 22, 2021 33.5k views

2 Answers

Mattwright · Answer 1 · 2021-09-25T01:09:55+0000

Answer:

0.5kWh

Step-by-step explanation:

Given, power of the electric bulb,

P=100W=(100/1000)kW=0.1kW ;

time for which bulb is used, t=5h

As P=

(w)/(t)

or W=Pt

or W=0.1kW×5h= 0.5kWh