A Motor Operated on a 120V/60-Hz Line Uses 850 Watt

question 12

Multiple Choice

A motor operated on a 120V/60-Hz line uses 850 watt of power and has a 0.87 power factor.The resistance of the motor is

• A)12.83 ohms.
• B)14.74 ohms.
• C)18.95 ohms.
• D)23.91 ohms.

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Definitions:

Economic Profits

The surplus or profit earned by a firm or individual after accounting for both explicit and implicit costs.

Purely Competitive Industry

An industry characterized by many small firms producing identical products where no single firm can influence the market price.

Consumer Demand

The desire and willingness of consumers to purchase goods and services at given prices.

Increasing-Cost Industry

An industry in which production costs increase as output expands, often due to limited resources or rising input costs.