Calculate the Work Done to Bring a Charge, Q = $\sigma$

question 85

Multiple Choice

Calculate the work done to bring a charge, Q = 1 mC, from infinity and place it at a distance R = 10 cm along the axis of a thin uniformly charged ring with linear charge density $\sigma$ = 10 $\mu$ C/m and radius R.

• A) 564 J
• B) 282 J
• C) 127 J
• D) 399 J
• E) zero

---

Definitions:

Full Time

Refers to employment where individuals work a complete or standard number of hours considered typical for the job, usually around 35 to 40 hours per week.

Business Profits

The monetary surplus achieved by a company after all operating expenses, taxes, and costs have been subtracted from total revenue.

Partners

Individuals or entities who share ownership and responsibilities in a business or venture.

Income

Monetary returns that come on a recurring basis, either from being employed or from putting money into investments.