A charge is to be moved around a closed circular path where the electric field is produced by a uniform infinite line charge. Which of the following is true? a.) The higher the radius of the circular path is, the smaller work is needed for this to be done b.) The signs of the charges should be given to properly arrive to a conclusion. c.) No work is needed as the initial and final positions of the charge are the same. d.) The higher the radius of the circular path is, the larger work is needed for this to be done.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.