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Question 1:

In the following circuit, suppose the voltage drop on the diode when forward-

biased is 0.7V.

a/ Determine whether the diode is forward-biased or reversed-bias. Explain the

reason.

b/ Calculate the current across the diode, the power PR on resistor and the power PD

on diode.

5 V

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10 Ω

3V

Fig: 1