- #1

haha1234

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## Homework Statement

The question is posted below.

## Homework Equations

## The Attempt at a Solution

I don't know how to solve this question.Does the breakdown voltage of a diode depends on the voltage source near the diode?For example,breakdown voltage of D1 in (a) is 30V?

Also, I don't know how to determine the Vo either.If D2 in (a) is forward biasing,what is the value of Vo?

Thanks!