SATHEE: electrostatic-potential-and-capacitance Question 10

Electrostatic Potential And Capacitance

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electrostatic-potential-and-capacitance Question 10

Question: Q. 2. Calculate the amount of work done to dissociate a system of three charges $1 \mu \mathrm{C}, 1 \mu \mathrm{C}$ and $-4 \mu \mathrm{C}$ placed on the vertices of an equilateral triangle of side $10 \mathrm{~cm}$.

A [O.D. Comptt. I 2013]

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Solution:

Ans. Given :

$$ \begin{aligned} q_{\mathrm{A}} & =1 \times 10^{-6} \mathrm{C}=q_{\mathrm{B}} \ q_{\mathrm{C}} & =-4 \times 10^{-6} \mathrm{C} \ r & =10 \mathrm{~cm}=0.1 \mathrm{~m} \end{aligned} $$