Question: 1. Two point charges q and q' are separated by a distance a . At a point a /3 from q and along the line

1. Two point charges q and q' are separated by a distance a. At a point a/3 from q and along the line joining the two charges the potential is zero. Find the ratio q/q'.

2. The potential due to a particular charge distribution is measured at several points along the x axis as shown in Figure. For what value(s) in the range 0 < x < 10 m is E_x = 0 ?

4. V(x), volts 10 x, m

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