A Certain Capacitor Has a Capacitance of 5 $\mu$ FAfter It Is Charged to 5

question 38

Multiple Choice

A certain capacitor has a capacitance of 5.0 $\mu$ F.After it is charged to 5 $\mu$ C and isolated, the plates are brought closer together so its capacitance becomes 10 $\mu$ F.The work done by the agent is about:

• A)"0 J"
• B)"1.25 * 10^-6 J"
• C)"-1.25 * 10^-6 J"
• D)"8.3 * 10^-7 J"
• E)"-8.3 *10^-7 J"

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Definitions:

Paradigm Shift

A fundamental change in the basic concepts and experimental practices of a scientific discipline or other professional practice.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Scientific Method

A systematic methodology for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge based on empirical or measurable evidence subject to specific principles of reasoning.

Statistics

The science of collecting, analyzing, interpreting, and presenting empirical data to make informed decisions and predict outcomes.