4. For the electric field i Path a configuration shown to the right, which point

Question

4. For the electric field i Path a configuration shown to the right, which point or points have the highest potential (voltage) a. A b. A and B c. B d. B and D e. A and C : Path b 5. For the configuration shown in the problem above, consider the two paths indicated by dotted lines (Path a and Path b). If you are moving a positive charge from point A, which has the greater change in electric potential energy? a. Path a b. Path b c. Neither path has a change in potential energy d. Both have the same change in potential energy e. Not enough information

Explanation / Answer

4)(e) A and C

A C and BD lies on the same equipotential lines.

AC have got higher potential as we know that the electric field is directed from positive to negative and potential decreases while we go away from positive charge.

5)(d)Both path will have same change in potential energy.

As the change in potential energy is given by:

dPE = q (V2 - V1)

its independent of the length of the path followed.

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