Answer to Question #287816 in Electric Circuits for Farishaaa

Question #287816

Two charges q1 = -6 µC and q2 = +10 µC are placed 12 cm apart. Another charge, q=-2 μC is placed in the middle. Determine the magnitude and direction of the force acting on q3 by the charge q1 and 92.

1
Expert's answer
2022-01-17T10:06:39-0500




F13|F_{13}|on q3q_3 due to q1q_1 is repulsive directed towards right.


F23|F_{23}| on q3q_3 due to q2q_2 is attractive directed toward right


Fq3=F13+F23|F_{q3}|=|F_{13}|+|F_{23}|


=8.99×109×2×106(6×1060.062+10×1060.062)=8.99×10^9×2×10^{-6}(\frac{6×10^{-6}}{0.06^2} +\frac{10×10^{-6}}{0.06^2})


=79.91N=79.91N


Fq3F_{q3} is directed toward right





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