The figure shows the equipotential lines of a charge distribution, each of which

Question

The figure shows the equipotential lines of a charge distribution, each of which are 20 Volts apart. The inner equipotential line has the highest voltage.

About how much work is needed to move a charge of 1 mC from position B to position C?

- I am not sure how to calculate the second answer.

The figure shows the equipotential lines of a charge distribution, each of which are 20 Volts apart. The inner equipotential line has the highest voltage. What direction does the electric field have at position E? Correct: East Incorrect South Incorrect North Incorrect West You are correct. Computer's answer now shown above Your receipt no. is 162-8986 Previous Tries About how much work is needed to move a charge of 1 mC from position B to position C? Submit Answer Tries 0/2

Explanation / Answer

As positions B and C are 4 lines apart, and each line is 20 V apart, then they are 4*20 V = 80 V apart.

Thus, the work done is

W = q V

W = (1E-3 C)(80 V)

W = 0.0800 J [ANSWER]

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