We know that in Coulomb force F= 1/ 4piE0 . q1q2 / r2 . Now how can we find that 1/ 4piE0 = 9* 109 Nm2/ c2 ?
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Hi friend,
The formula given by you is actually the "Columb's law".
As per your condition the value 9×10^9 is being used in many questions for simplification.
This is because of there are some standard values found already .
π =3.14
E° =8.854 ×10^-12
Sub.these values in 1/4πE° you will get the answer 9×10^9.
Hope this helps you a little!!!!
The formula given by you is actually the "Columb's law".
As per your condition the value 9×10^9 is being used in many questions for simplification.
This is because of there are some standard values found already .
π =3.14
E° =8.854 ×10^-12
Sub.these values in 1/4πE° you will get the answer 9×10^9.
Hope this helps you a little!!!!
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