A Paramagnetic Substance, in an External Magnetic Field, Is Thermally

question 63

Multiple Choice

A paramagnetic substance, in an external magnetic field, is thermally isolated.The field is then removed.As a result:

• A)the magnetic energy of the magnetic dipoles decreases
• B)the temperature of the substance increases
• C)the magnetization decreases, but only slightly
• D)the magnetization reverses direction
• E)none of the above

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Definitions:

Fixed Costs

Expenses such as rent, salaries, and insurance that remain constant regardless of the amount of production or sales.

Variable Cost

A cost that varies with the level of output or production volume.

Fixed Costs

Costs that do not change with the level of production or sales, such as rent, salaries, and insurance.

Depreciation

The allocation of the cost of an asset over its useful life, reflecting the reduction in value owing to wear and tear, age, or obsolescence.