Two point charges of +20.0 ?C and -8.00 ?C are separated by a distance of 20.0 cm. What is the magnitude of electric field due to these charges at a point midway between them? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A) 25.2 × N/C directed toward the negative charge
B) 25.2 × N/C directed toward the positive charge
C) 25.2 × N/C directed toward the negative charge
D) 25.2 × N/C directed toward the positive charge
E) 25.2 × N/C directed toward the negative charge
Answer: A
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