Which of the Following Statements Is Correct About a Superconductor

question 38

Multiple Choice

Which of the following statements is correct about a superconductor?

• A) It possesses the extraordinary property, when cooled, to have a magnet float as if defying gravity.
• B) It conducts electricity with zero resistance.
• C) It prevents magnetic field lines from penetrating it.
• D) All of the above statements are correct about a superconductor.

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Definitions:

Marginal Benefit (MB)

The augmented satisfaction or usefulness obtained by consuming or producing one extra unit of a good or service.

Marginal Cost (MC)

An upsurge in the cumulative cost incurred from the production of one more unit of a product or service.

Marginal Benefit

The boost in satisfaction or utility experienced by a consumer when they consume an additional unit of a specific good or service.

Total Benefit

The complete gain or advantage that an individual, entity, or society receives from consuming a good or service.