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what is coulomb law without air medium

Asked by bhawna92 11th April 2010, 2:41 PM
Answered by Expert
Answer:

Dear student,

force of attraction or repulsion between two point charges, q1 and q2 at rest placed in "free space" separated by a distance r, is directly proportional to product of the charges and is inversely proportional to the square of distance between them i.e.

Here is a constant, its value is 9 x 109 N-m2/C2

eo is called permittivity of free space and is equal to 8.85 x 10-12 C2/N-m2.

Hope this helps.

Team

Topperlearning.com

Answered by Expert 11th April 2010, 3:11 PM
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