Two Point Charges Q₁ and Q₂ of Equal Magnitudes and Opposite

question 23

Multiple Choice

Two point charges Q₁ and Q₂ of equal magnitudes and opposite signs are positioned as shown in the figure. Which of the arrows best represents the net electric field at point P due to these two charges?

• A) A
• B) B
• C) C
• D) D
• E) The field is equal to zero at point P.

---

Definitions:

Portfolio Variance

A measure of the dispersion of returns of a portfolio, indicating the degree of investment risk.

Coefficient of Correlation

A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Risky Securities

Risky securities are investment products that come with a higher degree of uncertainty regarding their future value or return, often offering potentially higher rewards to compensate for the increased risk.

Linear Relationship

A relationship between two variables where the change in one variable is directly proportional to the change in another variable.