What is force and nature of force (attractive or repulsive) if -10C & 5C charges are 5 m apart from each other. Where Ke is proportionality constant. Ke= 9x109 Nm2/C2 .
a. 27x109 N & attractive
b. 27x109 N &Repulsive
c. 18x109 N & attractive
18x109 N & Repulsive
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Answer:
K= 1/ 4πϵ ok
and its units is N−m ^2 /C ^2
Explanation:
It depend on system of unit and dielectric constant (k), that's medium between charges
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