Point charges q1 = +12 nC and 92 = - 12 nC are 0.100 m apart. (Such pairs of point charges with equal magnitude and opposite sign are called electric dipoles.) Compute the electric field caused by q₁, the field caused by 92, and the total field (a) at point a; (b) at point b; and (c) at point 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.