Question

5 electrical appliances are used for 10 hours per day in a home .if 2 appliances are of 200 W and 3 appliances are of 400 W the find number of units consumed by these appliances in a day??

Answer 1

Answer:

It consume 16 unit per day

Answer 2

Answer:

2 appliance of 200w consume = 2*200 = 400

in one hour

3appliance of 400w consume= 3*400= 1200 in one hour

total energy consumed in one hour is 1200+400= 1600

for 10 hour it will be 16000w/h

1 unit= 1000 w/h

16 unit energy is consumed by the appliance