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Electrostatics question

2022 · 28 Jun · Shift 1 · Q51
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Electrostatics question

2022 · 28 Jun · Shift 1 · Q51

JEE MainPhysicsElectrostaticsMCQ+4 / −1
The three charges q/2, q and q/2 are placed at the corners A, B and C of a square of side 'a' as shown in figure. The magnitude of electric field (E) at the corner D of the square, is : JEE Main 2022 (Online) 28th June Morning Shift Physics - Electrostatics Question 126 English
  1. A
    q4π∈0a2(12+12){q \over {4\pi { \in _0}{a^2}}}\left( {{1 \over {\sqrt 2 }} + {1 \over 2}} \right)4π∈0​a2q​(2​1​+21​)
  2. B
    q4π∈0a2(1+12){q \over {4\pi { \in _0}{a^2}}}\left( {1 + {1 \over {\sqrt 2 }}} \right)4π∈0​a2q​(1+2​1​)
  3. C
    q4π∈0a2(1−12){q \over {4\pi { \in _0}{a^2}}}\left( {1 - {1 \over {\sqrt 2 }}} \right)4π∈0​a2q​(1−2​1​)
  4. D
    q4π∈0a2(12−12){q \over {4\pi { \in _0}{a^2}}}\left( {{1 \over {\sqrt 2 }} - {1 \over 2}} \right)4π∈0​a2q​(2​1​−21​)
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