Question

separated by a distance of 20 cm. in air.
Ans. 9 x 107N.
3. Calculate the force between two charges each of 20 micro coulombs in
a medium of relative permittivity 4. The distance between the two
charges is 40 cm.
Ans. 5.62 N.
4. The force between two charges when separated by a distance of 50 cm
in air is 40 newton. What will be the force between them if the
distance becomes 25 ?
Ans 160 N.
(F17? = Fyr22 = constant)
5. The force between two point charges is Fin air. What will be the force
between there if the distance between them becomes double ?
2. Calculate the force between two charges each of 20 milli coulomb​

Answer 1

Answer:

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