Quote:
Originally Posted by Ether
I'm familiar with placing a reference resistance of known value in series with an inductor under test and finding the sinusoidal frequency at which the true RMS voltage drop across the coil equals the drop across the reference resistor, but that doesn't seem to be what you are describing.
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Quote:
Originally Posted by zbrozek
That's precisely what I'm doing, but I'm using the resistance of my source instead of a discrete resistor.
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In order not to confuse any students who may be following this discussion, it's not precisely what you're doing. In the method you used, the voltage across the coil is not equal to the voltage across the 50 ohm resistor.