An Ac Generator Consists of a Coil with 50 Turns

question 79

Multiple Choice

An ac generator consists of a coil with 50 turns of wire, each with an area of 0.02 m². The coil rotates in a uniform magnetic field B = 0.4 T at a constant frequency of 60 Hz and produces an average power of 50 W. What is the resistance of the coil?

• A)150 Ω
• B)85 Ω
• C)2.4 Ω
• D)53 Ω
• E)227 Ω

---

Definitions:

Required Sales

Required sales represent the amount of sales needed to achieve a specific objective, such as covering costs or reaching a profit target.

Operating Income

Refers to the profit earned from a firm's core business operations, excluding non-operating income and expenses.

Variable Costs

Expenditures that fluctuate in alignment with the amount of goods produced or sold, including direct labor costs and raw materials.

Fixed Costs

Costs that do not fluctuate with the level of production or sales, such as rent and salaries.