Electronic Devices Use Electrical Energy Even When They Are on Standby

question 80

Multiple Choice

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.

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Definitions:

Assemble Equipment

The process of putting together all necessary tools and devices required for a specific task or procedure.

Monitor Progress

The act of regularly assessing and documenting the advancement or change in a project, health status, or other ongoing activities.

Center of Gravity

The point in an object where its mass is concentrated, and around which its weight is evenly dispersed when in a uniform gravitational field.

Base of Support

The area beneath an object or person that provides support and stability.