The Origin of the Glow from the Filament Inside the Ac

question 131

Multiple Choice

The origin of the glow from the filament inside the ac incandescent lamp in your bedroom is

• A)electrons resupplied by the wall outlet.
• B)electrons already in the filament.
• C)the positive charges that flow in the filament.
• D)resistance in the filament.

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Definitions:

Operating Leverage

The degree to which a firm or project relies on fixed costs.

Capital Intensive

Describes industries or businesses that require large amounts of money and equipment to produce goods or services.

Variable Costs

Expenses that fluctuate in direct proportion to changes in productive output or other measures of volume.

Operating Leverage

Operating leverage refers to the extent to which a company can increase its operating income by increasing revenue, highlighting the proportion of fixed costs in a company's cost structure.