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Electrostatics question

2020 · 8 Jan · Shift 1 · Q47
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Electrostatics question

2020 · 8 Jan · Shift 1 · Q47

JEE MainPhysicsElectrostaticsMCQ+4 / −1
Three charged particle A, B and C with charges –4q, 2q and –2q are present on the circumference of a circle of radius d. the charged particles A, C and centre O of the circle formed an equilateral triangle as shown in figure. Electric field at O along x-direction is : JEE Main 2020 (Online) 8th January Morning Slot Physics - Electrostatics Question 181 English
  1. A
    33q4πε0d2{3{\sqrt 3 q} \over 4{\pi {\varepsilon _0}{d^2}}}4πε0​d233​q​
  2. B
    3q4πε0d2{{\sqrt 3 q} \over 4{\pi {\varepsilon _0}{d^2}}}4πε0​d23​q​
  3. C
    3qπε0d2{{\sqrt 3 q} \over {\pi {\varepsilon _0}{d^2}}}πε0​d23​q​
  4. D
    23qπε0d2{{2\sqrt 3 q} \over {\pi {\varepsilon _0}{d^2}}}πε0​d223​q​
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