Find the value of the current through 5k resistor.

Find the value of the current through 5k resistor. Find the value of the current through 5k resistor.

Right Answer is:

2.94 mA

SOLUTION

We know that,

Cut in voltage of Ge diode is .3V and of silicon is 0.7 V

The diode which has lower cut-in voltage will turned on first.

So, here Ge diode will conduct, and the current through 5 kΩ resistor is given by,

I = (15 – 0.3)/ 5 kΩ = 2.94 mA

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