A Solenoid with 400 Turns Has a Radius of 0

question 67

Multiple Choice

A solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field at the center of the solenoid?

• A) 16 mT
• B) 4.9 mT
• C) 15 mT
• D) 6.0 mT
• E) 9.0 mT

---

Definitions:

Dividend Yield

Dividend yield is a financial ratio that indicates how much a company pays out in dividends each year relative to its stock price.

Earnings per Share

A key financial metric that indicates the portion of a company's profit allocated to each outstanding share of common stock.

Cash Dividend

A payment made by a company out of its profits to shareholders, usually in cash.

Dividend Yield

An economic indicator reflecting the yearly dividends paid by a firm in comparison to its current share value.