Three charged particle A, B and C with charges – 4q, 2q and – 2q are present on the circumference

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Q.34. 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 :

a. (√3 q)/(πε_0 d^2 ) b. (3√3 q)/(4πε_0 d^2 ) c. (√3 q)/(4πε_0 d^2 ) d. (2√3 q)/(πε_0 d^2 )
JEE Main 08 Jan 20 morning

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Why e2b cos 30
It should be e2b cos330 as anticlockwise

SabbirAnas
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Sir negative charge consider kyu nahi kiye?

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