Current Electricity and Electrical InstrumentHard

Question

The electric field ′E′ is uniform in the shaded area and makes an angle θ with the normal. The conductivity of the material in which the area ′S′ lies is σ. The electric current flowing out of the shaded area is
         

Options

A.σ E S cosθ
B.σ E S cos2θ
C.σ E S sinθ
D.σ E S sin2θ

Solution


By Ohm′s law : σE = J

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