A Little Magnetic Compass Has a Needle Whose Tips Are

question 3

Multiple Choice

A little magnetic compass has a needle whose tips are clearly labeled N and S. The compass is placed next to a single circular loop of wire lying flat on a wooden table. The current in the loop is clockwise. What happens?

• A) The S tip of the needle is attracted toward the loop.
• B) The N tip of the needle is attracted toward the loop.
• C) The needle orients itself with the N tip pointing in the direction of the current in the segment of the loop closest to the needle.
• D) The needle orients itself with the S tip pointing in the direction of the current in the segment of the loop closest to the needle.
• E) None of these.

---

Definitions:

Future Value

The value of an investment at a specified date in the future, taking into account factors like interest rates or dividends.

Compounded Annually

The process of adding interest to the initial amount of an investment, where the interest earned each year is added to the principal.

Invested

Invested pertains to the funds that have been allocated into financial instruments, assets, or business ventures with the goal of earning a return.

Rate of Return

A positive or negative variation in an investment’s worth over a set schedule, expressed as a percentage of what the investment initially cost.