At What Rate Is Heat Lost Through a 1

question 10

Multiple Choice

At what rate is heat lost through a 1.5 m × 3.0 m rectangular glass windowpane that is 0.4 cm thick when the inside temperature is 22 °C and the outside temperature is 6.0 °C? The thermal conductivity for the glass is 0.75 W/(m · C°) .

• A)560 W
• B)1800 W
• C)7200 W
• D)3600 W
• E)13 500 W

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Definitions:

Optical Drives

Hardware devices that read and sometimes write data on optical discs like CDs, DVDs, and Blu-ray discs using laser technology.

+ 5.0 V

A positive five-volt power supply, commonly used in digital circuits.

Form Factor

The shape and size (height, width, and depth) of motherboards, adapters, memory chips, power supplies, and so on. Before building or upgrading, make sure the device’s form factor fits the computer case.

Case

In computing, refers to the enclosure that houses the components of a computer, such as the motherboard, hard drive, and power supply.