A square surface of side L metres is in the plane of the paper. A uniform electric field E (volt / m) , also in the plane of the paper, is limited only to the lower half of the square surface (see figure). The electric

Correct answer: D. zero Electric flux φ_E=∫ E · d s =∫ E d s θ=∫ E d s 90^ ^ =0 .

NEET 2006

Exam: NEET
Year: 2006
Subject: Physics
Chapter: Electrostatics

NEET 2006 · Physics · Electrostatics

A square surface of side L metres is in the plane of the paper. A...

A square surface of side

L

metres is in the plane of the paper. A uniform electric field

\vec{E}

(volt

/ \mathrm{m})

, also in the plane of the paper, is limited only to the lower half of the square surface (see figure). The electric flux in SI units associated with the surface is: A square surface of side L metres is in the plane of the paper. A uniform electric field E (volt / m) , also in the

A square surface of side L metres is in the plane of the paper. A uniform electric field E (volt / m) , also in the

Options

A $E L^2$
B $E L^2 / 2 \varepsilon_{\text{o }}$
C $E L^2 / 2$
Dzero

Correct answer

D. zero

Step-by-step solution

Electric flux

\phi_E=\int \vec{E} \cdot \overrightarrow{d s}=\int E d s \cos \theta=\int

E d s \cos 90^{{}^{\circ}}=0 .

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