deletions | additions       diff --git a/NOTE_Equation_ref_eq_Equatoin__.tex b/NOTE_Equation_ref_eq_Equatoin__.tex  index 43a0443..fe7b8ac 100644  --- a/NOTE_Equation_ref_eq_Equatoin__.tex  +++ b/NOTE_Equation_ref_eq_Equatoin__.tex 
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NOTE  Equation \ref{eq:Equatoin} is incorrect. $<{V_J}^2>$ $ <{V_J}^2> $  cannot be a voltage. It is the square of a voltage. So you should write \begin{equation}  {V_{ac}}^2 = = 4 R \Delta f k_b T