# Electricity Problem- Work done

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A +30e-6 charge is placed 32 cm form an idnetical +30e-6 charge. How much work would be required to move a +50e-6 test charge from a point midway between them to a point closer to either of the charges?

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#### Solution Preview

The formatting is preserved in the excel shhet

A +30e-6 charge is placed 32 cm form an idnetical +30e-6 charge. How much work would be required to move a +50e-6 test charge from a point midway between them to a point closer to either of the charges?

30 X 10 -6 50 X 10 -6 30 X 10 -6

A B

r (0.32-r)

The work done is tabulated below

q A = 30 X 10 -6= 0.00003

q B = 30 X 10 ...

#### Solution Summary

The solution calculates work done in moving a test charge from a point midway between two charges to a point closer to either of the charges.

$2.49