The value of electric potential at a distance of 9 cm from the point charge $4 imes 10^{-7} \mathrm{C}$ is $\left[ ight.$ Given $\left.\frac{1}{4 \pi \varepsilon_0}=9 imes 10^9 \mathrm{~N} \mathrm{~m}^2 \mathrm{C}^{-2} ight]$ :

Question

The value of electric potential at a distance of 9 cm from the point charge $4 	imes 10^{-7} \mathrm{C}$ is $\left[ight.$ Given $\left.\frac{1}{4 \pi \varepsilon_0}=9 	imes 10^9 \mathrm{~N} \mathrm{~m}^2 \mathrm{C}^{-2}ight]$ :

Aicharya · Accepted Answer

$V=\frac{k q}{r}$ $=9 	imes 10^9 	imes \frac{4 	imes 10^{-7}}{9 	imes 10^{-2}}$ $=4 	imes 10^4 \mathrm{~V}$

The value of electric potential at a distance of 9 cm from the point charge $4 \times 10^{-7} \mathrm{C}$ is…

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