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Does a diode have resistance when conducting forward?

2008-01-08View Original

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Does a diode have resistance when conducting forward? If so, how big is it?
Reply #22008-01-08
Test it with a multimeter to see if there is resistance.
Reply #32008-01-08
When the diode is conducting in the forward direction, the voltage drop of the germanium tube is about 0.3V, and that of the silicon tube is about 0.7V. The current changes with the load and Ohm's law R=U/I, so its DC resistance is nonlinear and not a fixed value.

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Translated at 2026-07-28 19:12:16

Original: https://bbs.hcbbs.com/thread-136159-1-1.html

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