Three point charges +q, +2Q and Q are placed at the three vertices of an equilateral triangle. Find the value of charge Q (in terms of q), so that electric potential energyof a system is zero.

Question

Shailendra Kumar Sharma · Answer

To Calculate the energy of the system. Total P.E. system will be P.E. =kq(2Q)/r+kqQ/r+kQ(2Q)/r =0 => q(2Q) + qQ+ Q(2Q)=0 3q+2Q=0 => Q=-3/2Q

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Three point charges +q, +2Q and Q are placed at the three vertices of an equilateral triangle. Find the value of charge Q (in terms of q), so that electric potential energyof a system is zero.

Three point charges +q, +2Q and Q are placed at the three vertices of an equilateral triangle. Find the value of charge Q (in terms of q), so that electric potential energyof a system is zero.

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Three point charges +q, +2Q and Q are placed at the three vertices of an equilateral triangle. Find the value of charge Q (in terms of q), so that electric potential energyof a system is zero.

Three point charges +q, +2Q and Q are placed at the three vertices of an equilateral triangle. Find the value of charge Q (in terms of q), so that electric potential energyof a system is zero.

1 Answers

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