The radius of a charged metal sphere $(R)$ is $10 \, cm$ and its potential is $300 \, V$. Find the charge density on the surface of the sphere.

  • A
    $2 \times 10^{-3} \, CGS \, esu$
  • B
    $4 \times 10^{-3} \, CGS \, esu$
  • C
    $6 \times 10^{-3} \, CGS \, esu$
  • D
    $8 \times 10^{-3} \, CGS \, esu$

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