The Power Factor of an Ac $R L$ Circuit with A $100 - \Omega$

question 31

Multiple Choice

The power factor of an ac $R L$ circuit with a $100 - \Omega$ resistor and a certain inductor is $0.60$ . What is the impedance of the circuit?

• A) \(100 \Omega\)
• B) \(170 \Omega\)
• C) \(85 \Omega\)
• D) \(340 \Omega\)
• E) \(60 \Omega\)

Calculate total variable costs based on unit variable costs and production level.

Understand the concept of sunk costs, marginal costs, and their implications for decision-making.

Identify examples of fixed, variable, and sunk costs in various business scenarios.

Compute fixed costs from total costs and variable costs.

---

Definitions:

U.S. Congress

The bicameral legislature of the federal government of the United States, consisting of two chambers: the Senate and the House of Representatives.

Socialist Representative

A political representative who advocates for socialism, focusing on social ownership, democratic control of the means of production, and prioritizing social welfare.

Industrial Workers of the World

Radical union organized in Chicago in 1905 and nicknamed the Wobblies; its opposition to World War I led to its destruction by the federal government under the Espionage Act.

American Federation of Labor

An early 20th-century national federation of labor unions in the United States, focused on better wages, hours, and working conditions.