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Physics - Electrostatics Question with Solution | TestHub

PhysicsElectrostaticsGauss LawEasy2 minPYQ_2020

PhysicsEasysingle choice

Three non-conducting large parallel plates have surface charge densities $σ, - 2 σ$ and $4 σ$ respectively as shown in the figure. The electric field at the point $P$ is

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Answer:

Solution:

The electric charge densities are $σ, - 2 σ$ and $4 σ$ respectively.

Hence, electric field at point $P$ is given by

$E_{P} = \frac{σ}{2 ε_{0}} + \frac{- 2 σ}{2 ε_{0}} + \frac{4 σ}{2 ε_{0}}$

$= \frac{σ - 2 σ + 4 σ}{2 ε_{0}}$

$= \frac{3 σ}{2 ε_{0}}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:ElectrostaticsSubtopic:Gauss Law

⏱ 2mℹ️ Source: PYQ_2020

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