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Three Charges and a point P are arranged as shown. P is one meter away from the positive charge, and the positive charge is one meter away from the second charge. This charge is one meter away from the other charge. All charges are 1C in magnitude. 3) The sign of the electric potential at point P is a. Zero P b. Positive c. Negative 4) The magnitude of the electric field at point P is a. Zero 1 m b. 5.75::109 MC 1 m 1 m c. 9x10g N/C d. 1.23X1010 N/C e. 2.7x1010N/C