The figure shows the equipotential contours in the plane of two point charges. T

Question

The figure shows the equipotential contours in the plane of two point charges. The labels on the contours are in V. Determine for each of the following statement whether it is true or false. The electrostatic potential energy of a positive charge increases as it is brought from a to b. Work is done on the field in moving a charge from c to d. The two charges are in the ratio 2:3 The above charge configuration can be described as an electric dipole. There is a point along the line y = 0 and between x = - 10 and + 10 where the potential is zero. There is a point along the line y = 0 and between x = - 10 and + 10 where the field is zero.

Explanation / Answer

1.True,

2false

,3true,

4false,

5false, the charges seem equal in sign so not possible for zero potential

6true,equal sign charges may cause this to happen

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