First slide

P-N junction diode

Question

The potential barrier developed in the diode shown in figure below is 0.5 V. The current through the diode is

Moderate

A

45 mA
B

40 mA
C

30 mA
D

20 mA

Solution

$\begin{array}{l} I = \frac{5 - 0 .5}{150} A = \frac{4 .5}{150} A \\ = 0 .03 A = 30 mA \end{array}$

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