Question

Gauss's law is true only if force due to a charge varies as
[MP PMT 200
(a) r-1
(b) r-2
(c) r-3
(d) r-4​

Answer 1

Answer:

Gauss's law is true only if force due to a charge varies as :-

ϕ=

ϵ

0

q

ϕ=EA

or, ϕ=

4πϵ

0

1

r

2

q

A

or,

A

F

=

4πϵ

0

1

r

2

q

A

or, F α r

−1

Explanation:

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