two charges 3×two charges 3×10-8c and -2×10-8 c are located 15 cm .at what point on the line joining the two charges is the electric potential zero? take the potential at infinity to be zero
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- Distance(d) = 15 cm = 0.15m
- Position where the electric potential is 0.
Let C be the point from 'x cm' to the right of charge q(1) where electric potential is zero. (as shown in the fig.)
According to Question,
When, Electric Potential is zero,
On putting the values,
On Cross Multiplication we get,
Thus, the Electric Potential is zero at 10 cm at right side of charge q(1) or (15-10) 5 cm at left side of charge q(2).
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