Question 356: Electrostatics & Capacitance

Question

In the figure, a very large plane sheet of positive charge is shown. P
1
and P
2
are two points at distance l and 2l from the charge distribution. If $$\sigma$$ is the surface charge density, then the magnitude of electric fields E
1
and E
2
at P
1
and P
2
respectively are :

Accepted Answer

For an infinite charged plane
$$E = {\sigma  \over {2{\varepsilon _0}}}$$ for any value of l
$$ \Rightarrow {E_1} = {E_2} = {\sigma  \over {2{\varepsilon _0}}}$$

Answer

$${E_1} = \sigma /{\varepsilon _0},\,{E_2} = \sigma /2{\varepsilon _0}$$

Answer

$${E_1} = 2\sigma /{\varepsilon _0},\,{E_2} = \sigma /{\varepsilon _0}$$

Answer

$${E_1} = {E_2} = \sigma /2{\varepsilon _0}$$

Answer

$${E_1} = {E_2} = \sigma /{\varepsilon _0}$$

Electrostatics & Capacitance

In the figure, a very large plane sheet of positive charge is shown. P 1 and P 2 are two points at distance l and 2l from the charge distribution. If $\sigma$ is the surface charge density, then the magnitude of electric fields E 1 and E 2 at P 1 and P 2 respectively are :

Choose the correct answer: