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PhysicsJEE Main 22 Jan 2026, Shift 1·Q3·MCQ·Easy–moderate

Electric Charges and Fields · Electric field

Six point charges are kept 60∘60^\circ apart from each other on the circumference of a circle of radius R as shown in figure. The net electric field at the centre of the circle is . (ϵ0\epsilon_0 is permittivity of free space)
  1. (1)−5Q8πϵ0R2(i^+3 j^)-\dfrac{5Q}{8\pi\epsilon_0R^2}(\hat i + \sqrt3\,\hat j)
  2. (2)−Q4πϵ0R2(3 i^−j^)-\dfrac{Q}{4\pi\epsilon_0R^2}\left(\sqrt3\,\hat i - \hat j\right)
  3. (3)−(5Q8πϵ0R2)(i^−3j^)-\left(\dfrac{5Q}{8\pi\epsilon_0R^2}\right)\left(\hat i - 3\hat j\right)
  4. (4)Q4πϵ0R2(3 i^−j^)\dfrac{Q}{4\pi\epsilon_0R^2}\left(\sqrt3\,\hat i - \hat j\right)

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