In a region of space the electric field is given by $\vec E = 8\hat i + 4\hat j+ 3\hat k$. The electric flux through a surface of area $100\, units$ in the $x-y$ plane is....$units$

  • A

    $800$

  • B

    $300$

  • C

    $400$

  • D

    $1500$

Similar Questions

A point charge $+Q$ is positioned at the centre of the base of a square pyramid as shown. The flux through one of the four identical upper faces of the pyramid is

A field line shown in the figure. This field line cannot represent

A charge particle is free to move in an electric field. It will travel

  • [IIT 1979]

A metallic sphere is kept in between two oppositely charged plates. The most appropriate representation of the field lines is

  • [KVPY 2016]

The electric field components in Figure are $E_{x}=\alpha x^{1 / 2}, E_{y}=E_{z}=0,$ in which $\alpha=800 \;N / C\, m ^{1 / 2} .$ Calculate

$(a)$ the flux through the cube, and

$(b)$ the charge within the cube. Assume that $a=0.1 \;m$