SATHEE: Electrostatics Question 508

Electrostatics Question 508

Question: Two infinitely long parallel conducting plates having surface charge densities $+ σ$ and $- σ$ respectively, are separated by a small distance. The medium between the plates is vacuum. If $ε_{0}$ is the dielectric permittivity of vacuum, then the electric field in the region between the plates is [AIIMS 2005]

Options:

A) $0 v o l t s / m e t e r$

B) $\frac{σ}{2 ε_{o}} v o l t s / m e t e r$

C) $\frac{σ}{ε_{o}} v o l t s / m e t e r$

D) $\frac{2 σ}{ε_{o}} v o l t s / m e t e r$

Show Answer

Answer:

Correct Answer: C

Solution:

Electric field between the plates is $= \frac{σ}{2 ε_{0}} - \frac{(- σ)}{2 ε_{0}}$

$= \frac{σ}{ε_{0}} v o l t / m e t e r$

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Electrostatics Question 508

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