CBSE Class 12-science Answered
What is the force between 2 small charge spheres having charges 2×10^-7c and 3×10^-7c placed 30cm upward in air?
Asked by 182204160003 | 30 Mar, 2019, 05:31: AM
Expert Answer
Coulomb's law , 
where q1 and q2 are the charges, r is the separation distance and εo is the permitivity of free space. [ 1/(4πεo ) = 9×109 N m2 C-2 ]
Answered by Thiyagarajan K | 30 Mar, 2019, 08:55: AM
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