A Certain 20-A Circuit Breaker Trips When the Current in It

question 206

Multiple Choice

A certain 20-A circuit breaker trips when the current in it equals 20 A.What is the maximum number of 100-W light bulbs you can connect in parallel in an ideal 120-V dc circuit without tripping this circuit breaker?

• A)11
• B)17
• C)23
• D)27

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Definitions:

Marginal Utility

The additional satisfaction or utility a consumer gains from consuming one more unit of a good or service.

Hypothetical Consumer

A theoretical representation of an average consumer used in economic models to predict buying behavior and market dynamics.

Consumer Income

The total earnings of an individual or household from all sources, influencing their purchasing decisions.

Maximum Quantity

The highest amount of a product or resource that can be produced, obtained, or allocated under specific conditions.