A Metal Bar Is Used to Conduct Heat

question 30

Multiple Choice

A metal bar is used to conduct heat.When the temperature at one end is 100°C and at the other is 20°C,heat is transferred at a rate of 16 J/s.If the temperature of the hotter end is reduced to 60°C,what will be the rate of heat transfer?

• A) 4 J/s
• B) 8 J/s
• C) 9 J/s
• D) 12 J/s

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Definitions:

Virtual Technology

Another name for virtualization, which is a process that allows multiple operating systems to be installed and share hardware resources.

Operating Systems

Software platforms that manage hardware resources and provide services for computer programs, acting as an intermediary between the user and the machine.

Sharing

The act of making data or resources available to other users or systems.

Zigbee

A wireless standard managed by the Zigbee alliance used in low-power, low-distance devices such as sensors and devices found in smart homes, like lights, thermostats, security, cameras, door locks, garage doors, and digital assistants.