Question

If the force in any medium is 10N and relative permittivity of the medium is 80. Calculate the force in vaccum.​

Answer 1

Answer:

Fe in free surface

Fe=

4πε

0

1

r

2

q

2

=5N

In medium

Fe

m

=

4πε

0

ε

r

1

r

2

q

2

Fe

m

=

ε

r

Fe

=

5

5N

=1N

Explanation:

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