In This Circuit, the Batteries Have Negligible Internal Resistance and the Ammeter

question 1

Multiple Choice

In this circuit, the batteries have negligible internal resistance and the ammeter A, used to measure current, has negligible resistance. The energy delivered by the 18-V battery in 4 s is approximately

• A) 30 J.
• B) 45 J.
• C) 72 J.
• D) 141 J.
• E) 163 J.

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Definitions:

Supply Curve

A supply curve graphically represents the relationship between the price of a good and the quantity of the good that suppliers are willing to sell, typically showing a direct relationship where higher prices incentivize higher supply.

Wage Rate

The amount paid to an employee per unit of time (e.g., per hour or year) for their labor.

Production Function

A mathematical model in economics that describes the relationship between inputs and the maximum output of goods or services produced.

Demand Curve

A graph showing the quantity of a good that consumers are willing to buy at different prices, typically downward sloping.