Thread: Strange transformer problem.
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Jerry Peters Jerry Peters is offline
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Default Strange transformer problem.
wrote:
So this "cube", does it present a low impedance to the meter and
maintain the high impedance to the circuit, or is it the opposite?
Is this an active or passive device? And if a passive device how
can something like this not affect the reading? Lenny

From the description, it's purpose *is* to affect the reading. Think
about the case you described: if you had used a low impedance meter,
you would not have gotten a 40v reading due to interwinding
capacitance. Sometimes you *want* to load the circuit.
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