Examine the following list giving the relationship between the direction of fiel

Question

Examine the following list giving the relationship between the direction of field lines and the sign of potential difference. Select the answer which has the correct relation and best describes the physical reason for the relation. Select One of the Following: (a) The electric potential increases as the one moves at right angles to the field because this is the direction the field does most work on a positive charge. (b) The electric potential increases as one moves opposite the direction of the electric field because an external agent has to do work to move a positive charge in the direction opposite the field. (c) Electric potential increases as one moves in the same direction as the electric field because the electric field does work on a positive charge as it moves along the field line. (d) Electric potential increases as one moves in the same direction as the electric field because electric energy flows along field lines.

Explanation / Answer

optiopn B

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