Answer to Question #304858 in Electric Circuits for Bluebalda

Question #304858

Two charges Q1=+3.5 nC and Q2=-5.3 nC are separated by 10 cm. Calculate the electric potential at point B

1
Expert's answer
2022-03-02T14:42:15-0500

Electric potential

V1=kq1rV_1=\frac{kq_1}{r}

V1=9×109×3.5×1095×102=630VV_1=\frac{9\times10^9\times3.5\times10^{-9}}{5\times10^{-2}}=630V

V2=kq2rV_2=\frac{kq_2}{r}

V2=9×109×5.3×1095×(10)2=954VV_2=-\frac{9\times10^9\times5.3\times10^{-9}}{5\times(10)^{-2}}=-954V

Vnet=V1+V2V_{net}=V_1+V_2

Vnet=630954=324VV_{net}=630-954=-324V


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