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Electronic devices use electrical energy even when they are

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Electronic devices use electrical energy even when they are on standby. Calculate the percent of energy used per day for the following entertainment equipment in the standby mode assuming that they are plugged in all the time.

Device

Standby Power

Power when on

Hours on per day

DVD player

1 W

75 W

4

TV

2 W

100 W

6

Tuner

1 W

150 W

4

 

A)

0.45%

B)

1.1%

C)

4.8%

D)

5.1%

E)

None of these is correct.

Reference no: EM13627621

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