Q- Given two 2.00-mC charges, as shown in Figure and a positive test charge q = 1.28*10-18 C at the origin,
(a) What is the net force exerted by the two 2.00-mC charges on the test charge q?
(b) What is the electric field at the origin due to the two 2.00mC charges?
(c) What is the electric potential at the origin due to the two 2.00-mC charges?
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