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# 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.

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