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The electric field at 20 cm from the center of a conducting sphere of radius 2 cm is $4.5 × 10^3\, NC^{-1}$. The magnitude of charge on the sphere is |
$2 × 10^{-9} C$ $2 × 10^{-8} C$ $1 × 10^{-7} C$ $2 × 10^{-7} C$ |
$2 × 10^{-8} C$ |
The correct answer is Option (2) → $2 × 10^{-8} C$ |
