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Flux of a uniform field through a flat surface (E dot A)

This type of question, asked 3 times: 29 Jan 2024, 8 Apr 2024, 7 Apr 2025. All 3 questions below, oldest first.

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  1. Question 1

    29 Jan 2024

    110
    An electric field is given by (6i^+5j^+3k^)N/C(6\widehat{i}+ 5\widehat{j}+ 3\widehat{k})N/C. The electric flux through a surface area 30i^m230\widehat{i}m^{2} lying in YZ-plane (in SI unit) is:

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  2. Question 2

    8 Apr 2024

    25
    An electric field, E→=2i^+6j^+8k^6\overrightarrow{E}=\frac{2\widehat{i}+ 6\widehat{j}+ 8\widehat{k}}{\sqrt{6}} passes through the surface of 4 m24{\text{ }m}^{2} area having unit vector n^=(2i^+j^+k^6)\widehat{n}=\left( \frac{2\widehat{i}+\widehat{j}+\widehat{k}}{\sqrt{6}} \right). The electric flux for that surface is _____ VV m.

  3. Question 3

    7 Apr 2025

    99
    The electric field in a region is given by E→=(2i^+4j^+6k^)×103 N/C\overrightarrow{E} = (2\widehat{i} + 4\widehat{j} + 6\widehat{k}) \times 10^{3}\text{ }N/C. The flux of the field through a rectangular surface parallel to x−zx - z plane is 6.0Nm2C−16.0{Nm}^{2}C^{- 1}. The area of the surface is ____\_\_\_\_ cm2{cm}^{2}.