Why Is There a Radioactive Source in a Smoke Detector

question 37

Multiple Choice

Why is there a radioactive source in a smoke detector?

• A)It makes the smoke particles radioactive.
• B)It ionizes the air.
• C)It powers the alarm when the battery wears out.
• D)none of the above

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Definitions:

Fixed Costs

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

Factory Overhead Cost Budget

An estimate of expected factory overhead costs for a specific period, used for planning and controlling manufacturing expenses.

Total Variable Cost

The sum of all costs that vary directly with the level of production, including materials, labor, and other expenses that increase with greater output.

Fixed Costs

Costs that remain constant regardless of the amount of goods produced or sold, including expenses like leases, wages, and insurance coverage.