What is the unit value of coulomb constant(k)?

[Hardik Batra]

What is the unit value of coulomb constant(k)?

I just want to know the CGS unit value of k.

In my book it is said the CGS unit value of k is 1.

By i don't know how it come.?

 

[DrClaude]

In electrostatic cgs units, k is set to 1 by definition.

 

[Dale]

In my book it is said the CGS unit value of k is 1.

Your book is correct. It is 1 and is dimensionless.