A 100 W Lightbulb Has an Energy Efficiency of 5

question 60

Multiple Choice

A 100 W lightbulb has an energy efficiency of 5%. It is turned on for one minute. Its total energy output during this minute is

• A) 5700 J.
• B) 300 J.
• C) 6000 J.
• D) impossible to determine because we don't know the voltage.
• E) impossible to determine because we don't know the power.

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Definitions:

Cost Pools

Groupings of individual costs based on their shared function or similarity, used in the allocation of costs to products or services.

ABC Systems

Activity-Based Costing systems, which allocate overhead costs based on the activities that drive those costs, providing more accurate cost information.

Cost Drivers

Factors that cause the cost of an activity or process to change, used in strategic management to control and reduce costs.

Volume

The quantity of something, often used to refer to the total amount of stocks or contracts traded in a financial market.