Suppose two point charges, q1 = + 43 nC and q2 = –17 nC, are separated by a distance of 6 cm. Determine the: (a) electric force interacting between the two charges; and (b) electric field of each charge. Determine the electric field strength and potential in air at a distance of 3 cm from a charge of 5 X 10-8 C.

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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.