A flat surface with area 1.9m 2 is in a uniform electric field of 610 N/C. What

Question

A flat surface with area 1.9m2 is in a uniform electric field of 610 N/C. What isthe electric flux through the surface when it is oriented asfollows? (a) at right angles to the field? Answer = + or -_____________ N·m2/C
(b) parallel to the field? Answer = + or - ___________________N·m2/C A flat surface with area 1.9m2 is in a uniform electric field of 610 N/C. What isthe electric flux through the surface when it is oriented asfollows? (a) at right angles to the field? Answer = + or -_____________ N·m2/C
(b) parallel to the field? Answer = + or - ___________________N·m2/C (a) at right angles to the field? Answer = + or -_____________ N·m2/C
(b) parallel to the field? Answer = + or - ___________________N·m2/C

Explanation / Answer

We know that : . Electric flux is : .              =   E A cos . Given : .          E   = 610 N /C   ; A = 1.9 m2 . (a) .          If = 90 .            = EA cos90 .              = 0 . (b) .          If = 0 .                = E A cos0 .                   = E A .                   = 610 N / C * ( 1.9 ) .                   = 1159 N·m2/C

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