1. Tardigrade
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  3. Physics
  4. The surface density of a spherical conductor is σ1, and the electric field on its surface is E1. The surface density of an infinite cylindrical conductor is σ2 and the electric field on its surface is E2. Which of the following relation is correct ?

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Q. The surface density of a spherical conductor is $\sigma_1$, and the electric field on its surface is $E_1$. The surface density of an infinite cylindrical conductor is $\sigma_2$ and the electric field on its surface is $E_2$. Which of the following relation is correct ?

Electrostatic Potential and Capacitance

Solution:

$E_1 = \frac{\sigma_1}{\varepsilon_2} $ also $E_2 = \frac{\sigma_2}{\varepsilon_0}$ . Hence $\frac{E_1}{E_2} = \frac{\sigma_1}{\sigma_2}$