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Three charges are placed in a line as shown. The total potential energy of these charges is: r r +Q +Q . - ke

Three charges are placed in a line as shown. The total potential energy of these charges is: r r +Q +Q . - ke Q2/2r b. + 3keQ2/2r c. + 5keQ/2r d. 3keQ2/2r e. zero

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