Three Charges Are Located at 100-M Intervals Along a Horizontal

question 116

Multiple Choice

Three charges are located at 100-m intervals along a horizontal line: a charge of -3.0 C on the left, 2.0 C in the middle, and 1.0 C on the right. What is the electric field E on the horizontal line halfway between the -3.0 C and 2.0 C charges?

• A) 2.2 × 10⁷ N/C to the left
• B) 1.8 × 10⁷ N/C to the right
• C) 1.8 × 10⁷ N/C to the left
• D) 3.2 × 10⁶ N/C to the right
• E) 4.0 × 10⁶ N/C to the left

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