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The force of attraction between two char...

The force of attraction between two charges `+30 xx 10^(-9)C and -20 xx 10^(-9)C` seperated by a distance of 020m is found to be `5 xx 10^(-5)N`. Find the relative permittivity of the medium.

A

2 N

B

50 N

C

0.5 N

D

10 N

Text Solution

Verified by Experts

The correct Answer is:
A
`k=F_(a)/F_(m)" "thereforeF_(m)=F_(a)/k=2N`
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