The dashed lines in the diagram represent cross sections of equipotential surfac

Question

The dashed lines in the diagram represent cross sections of equipotential surfaces drawn in 1 Vincrements. (Figure 1)

Part A

What is the work done by the electric force to move a 1 C charge from A to B?

Express your answer in joules.

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Part B

What is the work done by the electric force to move a 1 C charge from A to D?

Express your answer in joules.

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Part C

The magnitude of the electric field at point C is

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Figure 1 of 1

The dashed lines in the diagram represent cross sections of equipotential surfaces drawn in 1 Vincrements. (Figure 1)

Part A

What is the work done by the electric force to move a 1 C charge from A to B?

Express your answer in joules.

J

SubmitHintsMy AnswersGive UpReview Part

Part B

What is the work done by the electric force to move a 1 C charge from A to D?

Express your answer in joules.

J

SubmitHintsMy AnswersGive UpReview Part

Part C

The magnitude of the electric field at point C is

greater than the magnitude of the electric field at point B. less than the magnitude of the electric field at point B. equal to the magnitude of the electric field at point B. unknown because the value of the electric potential at point C is unknown.

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Correct

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Figure 1 of 1

Explanation / Answer

A)

Work done by electric force = - q deltaV

Va = Vb = 1 V

Vb - Va = 0

W = 0

B) Va = 1 V

Vd = 0V

Vd - Va = 0 -1 = -1 V

W = -1C x -1 V   = 1 J

C) E = V/d

spacing is less here .

hence E will greater.

greater than magnitude of field at point B.

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