Multiple Point-Charges: Two Point Charges of + 20

question 37

Multiple Choice

Multiple point-charges: Two point charges of + 20.0 μC and - 8.00 μC are separated by a distance of 20.0 cm. What is the magnitude of electric field due to these charges at a point midway between them? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 25.2 × N/C directed toward the negative charge
• B) 25.2 × N/C directed toward the positive charge
• C) 25.2 × N/C directed toward the negative charge
• D) 25.2 × N/C directed toward the positive charge
• E) 25.2 × N/C directed toward the negative charge

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