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Electrostatics question

2013 · Shift 0 · Q64
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Electrostatics question

2013 · Shift 0 · Q64

JEE MainPhysicsElectrostaticsMCQ+4 / −1
A charge QQQ is uniformly distributed over a long rod ABABAB of length LLL as shown in the figure. The electric potential at the point OOO lying at distance LLL from the end AAA is JEE Main 2013 (Offline) Physics - Electrostatics Question 222 English
  1. A
    Q8πε0L{Q \over {8\pi {\varepsilon _0}L}}8πε0​LQ​
  2. B
    3Q4πε0L{{3Q} \over {4\pi {\varepsilon _0}L}}4πε0​L3Q​
  3. C
    Q4πε0L ln⁡ 2{Q \over {4\pi {\varepsilon _0}L\,\ln \,2}}4πε0​Lln2Q​
  4. D
    Qln⁡ 24πε0L s{{Q\ln \,2} \over {4\pi {\varepsilon _0}L\,{}^s}}4πε0​LsQln2​
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