Question Detail

PHY 102 Last Minute Prep Objective Question
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Question

Find the magnitude of a point charge whose electric field 50 cm away has magnitude 2.0 N/C?
Options
A 3.76×10⁻¹¹ C
B 4.05×10⁻¹¹ C
C 5.56×10⁻¹¹ C
Correct Answer
D 2.00×10⁻¹¹ C
Correct Answer

Option C is the correct answer.

Detailed Explanation

Q = Er²/k = 2.0 × 0.25 / 9×10⁹ = 5.56 × 10⁻¹¹ C

Hint

Rearrange the electric field magnitude formula.

Question Info

Course: PHY 102
Topic: Last Minute Prep
Type: Objective
Difficulty: Not specified
Question 1667 of 1819
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