Problem on two point particles
Two point particles, one with charge -8 x 10-9 C and the other with charge -2 x 10-9 C, are separated by 0.04 m. The electric field in N/C midway between them is:
a. 9 x 109
b. 13,500
c. 135,000
d. 22.5
e. 36 x 10-9
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