The Diagram Shows Two Small Diamagnetic Spheres, One near Each

question 51

Multiple Choice

The diagram shows two small diamagnetic spheres, one near each end of a bar magnet. Which of the following statements is true?

• A) The force on 1 is toward the magnet and the force on 2 is away from the magnet
• B) The force on 1 is away from the magnet and the force on 2 is away from the magnet
• C) The forces on 1 and 2 are both toward the magnet
• D) The forces on 1 and 2 are both away from the magnet
• E) The magnet does not exert a force on either sphere

---

Definitions:

Minimum Variance Portfolio

A portfolio constructed to achieve the lowest possible volatility or variability in returns among a set of potential assets.

Standard Deviation

A statistical measure that quantifies the dispersion or variability of a set of data points or investment returns around their mean (average).

Two-asset Portfolio

A portfolio comprising only two assets, used to study the principles of diversification and risk-return trade-off in finance.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables change together, ranging from -1 (perfectly inverse) to +1 (perfectly direct).