How much work would be required by an external force

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A +25 micro Columbs point charge is placed 6.0 cm from an identical point charge of +25 micro Columbs. How much work would be required by an external force to move a + 0.18 micro Columb test charge from a midway between them to a point 1.0 cm closer to either of the charges?

Reference no: EM13996146

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