A Particle of Charge $+ 2 q$ Is Placed at the Origin and Particle of Charge

question 76

Multiple Choice

A particle of charge $+ 2 q$ is placed at the origin and particle of charge $- q$ is placed on the $x$ -axis at $x$ $= 2 \mathrm { a }$ . Where on the $x$ -axis can a third positive charge be placed so that the net electric force on it is zero?

• A) \(9.3 \mathrm { a }\)
• B) \(8.6 a\)
• C) \(1.0 a\)
• D) \(3.4 a\)
• E) \(6.8 a\)

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