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Electrostatics question

2000 · Q136
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Electrostatics question

2000 · Q136

NEETPhysicsElectrostaticsMCQ+4 / −1
Electric field at centre O of semicircle of radius aaa having linear charge density λ\lambdaλ given as

AIPMT 2000 Physics - Electrostatics Question 29 English
  1. A
    2λε0a{{2\lambda } \over {{\varepsilon _0}a}}ε0​a2λ​
  2. B
    λπε0a{{\lambda \pi } \over {{\varepsilon _0}a}}ε0​aλπ​
  3. C
    λ2πε0a{\lambda \over {2\pi {\varepsilon _0}a}}2πε0​aλ​
  4. D
    λπε0a{\lambda \over {\pi {\varepsilon _0}a}}πε0​aλ​
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