Equipotential Surfaces Video Lessons

Concept

# Problem: Figure 77 shows a series of equipotential curves.a. Is the electric field strength at point A larger than, smaller than, or equal to the field strength at point B? Explain. b. Is the electric field strength at point C larger than, smaller than, or equal to the field strength at point D? Explain. c. Determine the electric field E at point D. Express your answer as a magnitude and direction.

###### FREE Expert Solution

The electric field and electric potential are related by:

$\overline{){\mathbf{E}}{\mathbf{=}}\frac{\mathbf{∆}\mathbf{V}}{\mathbf{d}}}$

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###### Problem Details

Figure 77 shows a series of equipotential curves.

a. Is the electric field strength at point A larger than, smaller than, or equal to the field strength at point B? Explain.

b. Is the electric field strength at point C larger than, smaller than, or equal to the field strength at point D? Explain.

c. Determine the electric field E at point D. Express your answer as a magnitude and direction.