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The two charges q 1 and q 2 shown in Fig. E21.38 have equal magnitudes. What is the direction of the net electric field due

The two charges q1 and q2 shown in Fig. E21.38 have equal magnitudes. What is the direction of the net electric field due to these two charges at points A (midway between the charges), B, and C if (a) both charges are negative, (b) both charges are positive, (c) q1 is positive and q2 is negative.


Figure E21.38 B 42 C

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