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Electrostatics question

2014 · Shift 0 · Q60
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Electrostatics question

2014 · Shift 0 · Q60

JEE MainPhysicsElectrostaticsMCQ+4 / −1
Assume that an electric field E→=30x2i^\overrightarrow E = 30{x^2}\widehat iE=30x2i exists in space. Then the potential difference VA−VO,{V_A} - {V_O},VA​−VO​, where VO{V_O}VO​ is the potential at the origin and VA{V_A}VA​ the potential at x=2mx=2mx=2m is :
  1. A
    120J/C120J/C120J/C
  2. B
    −120J/C-120J/C−120J/C
  3. C
    −80J/C-80J/C−80J/C
  4. D
    80J/C80J/C80J/C
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