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Grade 12Electric Current

Electric field strength due to a point charge of 5microcolumb at a distance of 80cm from the charge is

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Profile image of Abhishek
8 Years agoGrade 12
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2 Answers

Profile image of Arun
8 Years ago
Dear student
 
As we know
E = V * r
Hence
E = (1/4* pi* epsilon) * (q/r)
E = 9 * 10^9 *5 * 10^-6 /0.8
E = 45000/0.8
E = 56250 volt - m
Profile image of Khimraj
8 Years ago
Electric field due to a point charge is given by
E = Kq/r2
K = 9*109
q = 5*10-6C
r = 0.8m
SO 
E = 7.03*104 Vm.
Hope it clears.