Two bodies each carrying a charge of 2.00 x 10-10C are 5c...
Two bodies each carrying a charge of 2.00 x 10-10C are 5cm apart. Calculate the magnitude of the force between the charges.[14πEo=9.00×109Nm2C−2]
1.44 x 10-7N
7.20 x 10-9N
7.20 x 10-11N
1.44 x 1011N
Correct answer is A
f = 14πEo×Q2r2=9×109(2×10−2)2(0.05)2
= 1.44 x 10-2N