Three Charges, Each of Q = 3

question 75

Multiple Choice

Three charges, each of Q = 3.2 *10^-19 C, are arranged at three of the corners of a 20-nm square as shown. The magnitude of the electric field at D, the fourth corner of the square, is approximately

• A) 1.4 * 10⁷ N/C
• B) 1.0 * 10¹¹ N/C
• C) 3.6 *10¹⁰ N/C
• D) 30 N/C
• E) 1.8* 10⁷ N/C

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