Could this be a fraudulent question? is the current 0?What reference? I don't see any kind of reference in that circuit at all.
What is required in order to current to flow in a diode (under normal conditions -- not talking about breakdown or anything like that)?
Go back and study the very first lesson on diodes.
Si=0.7V Ge=0.3VA wrong solution where?
Again, don't just throw out a number and ask others to tell you if it is correct or not. EXPLAIN how you arrived at that number. Sometimes it is very easy to get the correct answer but for the wrong reasons. If the only feedback you get is that the answer is correct, then you would erroneously conclude that the method you used to get the answer is a valid method.
Example: Kid is learning how to square numbers and is given the problem of finding 2². They say, 4, right? And are told that they are correct. So on the test the next day they have to find 3², 4², and 5² and they put 6, 8, and 10 and can't understand why they got a zero. After all, how they got the correct answer to 2² was doing 2+2.
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by Gary Elinoff
by Luke James