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Gauss’s law is true only if force due to a charge varies as

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By Expert Faculty of Sri Chaitanya
a
r−1
b
r−2
c
r−3
d
r−4
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detailed solution

Correct option is B

F=Kq1q2r2


Similar Questions

Two small spherical balls each carrying a charge Q=10μC (10 micro-coulomb) are suspended by two insulating threads of equal lengths 1m each, from a point fixed in the ceiling. It is found that in equilibrium threads are separated by an angle 60o between them, as shown in the figure. What is the tension in the threads (Given: 1(4πε0)=9×109Nm/C2)

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