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Two point charges, +8.0 micro C and -2.0 micro C, are separated by 12 cm. The...

Two point charges, +8.0 micro C and -2.0 micro C, are separated by 12 cm. The electric field midway between them (6.0 cm from either) has a magnitude:

a. 2.0 x 10^6 N/C

b. 5.0 x 10^6 N/C

c. 2.5 x 10^7 N/C

d. 2.0 x 10^7 N/C

e. 2.5 x 10^6 N/C

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