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Back to Electric Potential — Problem 2 · Task Set 6

Exercises: Electric Potential

Work through each section in order. Show your work for all calculation problems. Pay attention to signs — they carry physical meaning.

Grade 11·21 problems·~30 min·OpenStax Physics (High School)·section·sec-18-4
Work through problems with immediate feedback
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Fluency Practice

Diagram showing a point charge +q on the left and a point P at distance r = 0.30 m to the right.
1.

A point charge of q=+5.0 μCq = +5.0\ \mu\text{C} is fixed in space. Calculate the electric potential at a point r=0.30 mr = 0.30\ \text{m} from the charge. Use k=9.0×109 N⋅m2/C2k = 9.0 \times 10^9\ \text{N·m}^2/\text{C}^2.