# For a silicon pn junction under forward biased condition, the reverse saturation current is 10 nA. If the value of the forward voltage across the diode is 0.5 V and the observation is being made at 300 K, then what will be the value of the diode current?

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For a silicon pn junction under forward biased condition, the reverse saturation current is 10 nA. If the value of the forward voltage across the diode is 0.5 V and the observation is being made at 300 K, then what will be the value of the diode current?

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Step 1

Using Shockley’s equation, the value of the current flowing through a p-n junction diode can be expressed as

Step 2

In this case, the values of the reverse saturation current, temperature and the voltage across the diode are given as

Step 3

So, using equation (1), the value of the current through the diode will be

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