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A uniform electric field ahati +bhatj in...

A uniform electric field `ahati +bhatj` intersects a surface of area A. What is the flux through this area if the surface lies (a) in the yz plane, (b) in the xz plane, (c) in the xy plane?

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`vecE = ahati + bhatj`
a. `vecA = Ahati rArr phi = vecE * vec A = Aa`
b. `vecA = Ahatj rArr phi = vec E*vec A = Ab`
c. `vec A = A hatk rArr `phi = vecE*vecA = 0` .
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