How Much Energy Is Stored in the 50-μF Capacitor When

question 60

Multiple Choice

How much energy is stored in the 50-μF capacitor when V_a − V_b = 22V?

• A) 0.78 mJ
• B) 0.58 mJ
• C) 0.68 mJ
• D) 0.48 mJ
• E) 0.22 mJ

Identify and explain the various designations and ratings used for electric motors.

Understand the role of magnet wire insulation in electric motors.

Describe the operating characteristics and performance of NEMA Design motors.

Understand the conversion of electrical energy to mechanical energy and its implications for motor efficiency.

---

Definitions:

Lower Terms

Expressing a fraction in its simplest form so that the numerator and denominator are as small as possible.

Ratio

A comparison, by division, of the relative size of two or more quantities.

Proportion

A statement of the equality of two ratios.

Direct Labour

The cost of wages for employees who directly manufacture or produce goods and services.