Two Point Charges Q₁ = 4

question 47

Multiple Choice

Two point charges q₁ = 4.0 μC and q₂ = -8.0 μC are placed along the x-axis at x₁ = 0 m and x₂ = 0.20 m, respectively. What is the electric potential energy of this system of charges?

• A) +1.4 J
• B) -1.4 J
• C) -32 J
• D) 4.0 J
• E) -4.0 J

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Definitions:

Variance

A measure of the dispersion of a set of data points around their mean, reflecting how spread out the data is.

Standard Deviation

A measure that indicates the extent of deviation for a group as a whole from the mean.

Mean

The measure that sums all values in a dataset divided by the number of values, representing the central tendency.

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