An electric field of intensity 3.7kN/C is applied along the x-axis. Calculate th

Question

An electric field of intensity 3.7kN/C is applied along the x-axis. Calculate the electric fluxthrough a rectangular plane 0.350 m wide and 0.700 m long if thefollowing conditions are true. (a) The plane is parallel to the yz-plane.
1 Nm2/C
(b) The plane is parallel to the xy-plane.
2 Nm2/C
(c) The plane contains the y-axis, and its normal makes an angle of35.0° with the x-axis.
3 Nm2/C
(a) The plane is parallel to the yz-plane.
1 Nm2/C
(b) The plane is parallel to the xy-plane.
2 Nm2/C
(c) The plane contains the y-axis, and its normal makes an angle of35.0° with the x-axis.
3 Nm2/C

Explanation / Answer

(a)   flux = E A cos  =   3700 * 0.245 * cos0  =   906.5 Nm2/C (b)   flux =   3700 * 0.245 *cos90    =      0 (c)   flux =   3700 * 0.245 *cos35 =    742.56

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