Multiple Choice
Two charges Q1 and Q2 are 8.0 cm apart. Charge Q1 = 5.0 nC and Q2 = -5.0 nC. The magnitude of the electric field at point P, 3.0 cm from the midpoint of the line joining Q1 and Q2, is
A) 2.9 × 105 N/C.
B) 2.9 × 104 N/C.
C) 3.6 × 105 N/C.
D) 0.29 kN/C.
E) 3.6 × 106 N/C.
Correct Answer:
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