A 30-μF Capacitor Is Charged to 40 V and Then

question 34

Multiple Choice

A 30-μF capacitor is charged to 40 V and then connected across an initially uncharged 20-μF capacitor. What is the final potential difference across the 30-μF capacitor?

• A) 15 V
• B) 24 V
• C) 18 V
• D) 21 V
• E) 40 V

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Definitions:

Market Demand

The overall sum of a particular good or service that consumers in a marketplace are prepared and able to buy across a range of prices.

Market Equilibrium

A situation in a market where the quantity of a product demanded by consumers equals the quantity supplied by producers, leading to a stable price.

Competitive Industry

An industry characterized by a large number of firms competing with each other to provide goods or services to consumers.

Market Demand

The total quantity of a product or service that consumers are willing and able to purchase at various prices during a specified time period.