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Grade: 12
        
Two pt chargs q1 5×10-6 and 3×10-6 are located at position (1 3 2) and (3  5 1) resp find the forces f12 and f21 using vector form of coulumbs law
 
 
2 months ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
6883 Points
							Dear student

Please find the link below for theory behind this problem once you understand, it will become clear how to solve the problem

https://www.askiitians.com/iit-jee-electrostatics/coulombs-law/

Regards
2 months ago
Vikas TU
11140 Points
							
Dear student 
r12 = r2 - r1 = 2i + 2j -k 
|r12| = 3m 
unit vector r12 = (2i +2j-k)/3 
F21 = Kq1q2 /(r12)^2 
F12 = -F21 = (-5*10^-3) (2i+2j-k) N 
2 months ago
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