Along the -axis

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Along the

x

-axis, the electric potential decreases uniformly from

+60\,\text{V}

x=0

+20\,\text{V}

x=0.15\,\text{m}

. State the direction of the electric field in this region and briefly explain your reasoning.