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Electrostatics question

2019 · 10 Jan · Shift 1 · Q68
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Electrostatics question

2019 · 10 Jan · Shift 1 · Q68

JEE MainPhysicsElectrostaticsMCQ+4 / −1
Two electric dipoles, A, B with respective dipole moments d→A=−4qai{\overrightarrow d _A} = - 4qaidA​=−4qai and d→B=−2qai{\overrightarrow d _B} = - 2qaidB​=−2qai are placed on the x-axis with a separation R, as shown in the figure. The distance from A at which both of them produce the same potential is - JEE Main 2019 (Online) 10th January Morning Slot Physics - Electrostatics Question 202 English
  1. A
    2R2+1{{\sqrt 2 R} \over {\sqrt 2 + 1}}2​+12​R​
  2. B
    R2+1{R \over {\sqrt 2 + 1}}2​+1R​
  3. C
    2R2−1{{\sqrt 2 R} \over {\sqrt 2 - 1}}2​−12​R​
  4. D
    R2−1{R \over {\sqrt 2 - 1}}2​−1R​
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