In an Electrical System, "Phases" Refers To

question 2

Multiple Choice

In an electrical system, "phases" refers to:

• A)the rate at which an alternating-current power supply alternates the direction of the current flow.
• B)the number of energized or "hot" wires in the electrical supply.
• C)how often the system experiences momentary voltage sags and surges.
• D)how electricity is metered.

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Definitions:

Constant Returns to Scale

A situation in which increasing the amount of all inputs used in production by a certain factor results in output increasing by the same factor.

Economies of Scale

Cost advantages that enterprises obtain due to their size, output, or scale of operation, with cost per unit of output generally decreasing with increasing scale.

Diseconomies of Scale

A condition when a company or business grows so large that the costs per unit increase, leading to reduced efficiency.

Constant Returns to Scale

A situation in production where an increase in the quantity of inputs leads to a proportional increase in the quantity of output.