How tomeasure the inductance with a resistor , a coil and a square wave source

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PS! note : the V_LMAX and the I_A are the max. V and I peak-values developing in the circuit at the run time
+ in the above simulation the formula does NOT account the internal resistance of the voltage source (which it should !!! (for the more accurate result))

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L - meter

src :: Cheap and easy inductance tester uses few components - EDN

test ::

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