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:

Producer Surplus

The difference between what producers are willing to sell a good for and the market price they actually receive, representing their net benefit.

Free Trade

International trade left to operate without tariffs, quotas, or other restrictions, allowing for the unrestricted exchange of goods and services between countries.

Autarky

A condition in which an economy is self-sufficient and does not engage in international trade.

Total Surplus

The sum of consumer surplus and producer surplus in a market, representing the total benefits to society.