Re: DIY Inductance bridge
... and of course the contruction of the bridge itself can result in residual balance voltage.
I do not think I have ever seen a bridge balance a real-world inductor with totally zero balance.
By the way, one advantage of using magic eyes as the balance indicator is that they do seem to show a bit more than a meter would do e.g. you kind of see any waveform distortion issues because it changes the look of the display (OK, depends on the circuit).
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