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Electrostatics question

2019 · 11 Jan · Shift 1 · Q54
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Electrostatics question

2019 · 11 Jan · Shift 1 · Q54

JEE MainPhysicsElectrostaticsMCQ+4 / −1
Three charges Q, + q and + q are placed at the vertices of a right-angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, if the value of Q is : JEE Main 2019 (Online) 11th January Morning Slot Physics - Electrostatics Question 199 English
  1. A
    −q1+2{{ - q} \over {1 + \sqrt 2 }}1+2​−q​
  2. B
    + q
  3. C
    −-− 2q
  4. D
    −2q2+1{{ - \sqrt 2 q} \over {\sqrt 2 + 1}}2​+1−2​q​
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