Question

an electric bulb of 40 w is used form 25 days at 10 hours per day . find the unit of energy consumed by the bulb
.10000 unit
.10 unit
.100 unit
.1000 unit​

Answer 1

Answer:

option b

Explanation:

energy= p x t

40 X10 =400wh

for 25 days = 25 x 400= 10000wh

10000 wh = 10 kwh = 10units