Two Charges Q₁ = -3 μC and Q₂ = +3

question 55

Multiple Choice

Two charges Q₁ = -3 μC and Q₂ = +3 μC are located on the y-axis at y₁ = -5 cm and y₂ = +5 cm respectively. A third charge Q₃ = +24 μC is added on the y-axis so that the electric field at the origin is equal to zero. What is the position of Q₃?

• A)y₃ = -12 cm
• B)y₃ = 0 cm
• C)y₃ = +5 cm
• D)y₃ = +10 cm
• E)y₃ = -10 cm

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