A 20-μF Capacitor Is Charged to 12 V and Then Discharged

question 16

Multiple Choice

A 2.0-μF capacitor is charged to 12 V and then discharged through a 4.0 × 10⁶ Ω resistor. How long will it take for the voltage across the capacitor to drop to 3.0 V?

• A)4.5 s
• B)8.0 s
• C)11 s
• D)22 s
• E)24 s

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Economic Models

Simplified representations of complex economic processes, designed to help understand how the economy functions and predict future economic behavior.

Resource Allocation

The process of distributing available resources among various competing needs or uses in order to achieve a desired outcome or optimize efficiency.

Comparative Advantage

An economic theory stating that a country should specialise in producing and exporting goods in which it has a lower opportunity cost than other countries.

Opportunity Cost

Opportunity cost refers to the value of the next best alternative foregone as the result of making a decision.