1. Two equal positive charges q1 = q2 = 4.0 µC are located at (0, 0.60 m) and (0, - 0.60 m), respectively. What are the magnitude and direction of the total electric force that ql and q2 exerts on a third charge q3 = 7.0 µC located at (- 0.80 m, 0 ) ? 2. In problem #1, find the total electric field at (-0.80 m, 0).

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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.