Two Point Charges, Q₁ = -1

question 25

Multiple Choice

Two point charges, Q₁ = -1.0 μC and Q₂ = + 4.0 μC, are placed as shown in the figure. (k = 1/4πε0 = 8.99 × 10⁹ N ∙ m²/C²) The y component of the electric field, at the origin O, is closest to

• A) 6.0 × 10^-3 N/C.
• B) -6.0 × 10^-3 N/C.
• C) 3.8 × 10^-3 N/C.
• D) -3.8 × 10^-3 N/C.
• E) 7.1 × 10^-3 N/C.

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