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What is the nature of Gaussian surface i...

What is the nature of Gaussian surface involved in Gauss's law of electrostatics?

A

Scalar

B

Electrical

C

Magnetic

D

Vector

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The correct Answer is:
D
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Five charges q_(1),q_(2),q_(3),q_(4)andq_(5) are fixed at their positions as shown in figure. S is Gaussian surface. The Gauss's law is given by ointundersetSvecE*vec(ds)=q/epsilon_(0) . Which of the following statements is correct?

five charge q_(1),q_(2),q_(3),q_(4) and q_(5) are fixed at their positions as shown in figure . s is Gaussian surface .The Gauss's law is given by ointvec(E).vec(ds)=(q)/(epsilon_(0)) Which of the following statement is correct?

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The law goverening electrostatics is coulomb's law.In priciple coulomb's law can be used to compute electric field due to any charge configuation .In pracitce however it is a formidable task to compute electric field due to uniform charge distributions .For such cases Gauss proposed a theorem which states that ointbar(E).bar(ds)=(q)/(epsilon_(0)) where ds is an element of area directed across the outward normal for the surface at every point .The integral is called electric flux.Any convenient surface that we choose to evalute the surface integral is called the Gaussian surface. The SI unit of electric flux is

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