Two point charges are separated by 12.0 cm and have charges of +5.0 µC and ?5.0 µC, respectively. What is the electric field at a point midway between the two charges? (ke = 8.99 × 10^9 N·m2/C2)
a. 3.7 × 10^6 N/C
b. 2.5 × 10^7 N/C
c. 3.1 × 10^6 N/C
d. 2.1 × 10^8 N/C
e. zero
b
Physics & Space Science
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