The reverse saturation current for a Germanium diode at a temperature of 293 K is found to be 2 μA. What is the reverse saturation current Is at a temperature of 313 K?(a) 2 μA(b) 8 μA(c) 4 μA(d) Can’t be determinedI got this question in an interview.My question is taken from Diode Basics and Equivalent Circuits in chapter Diode Circuit of Analog Circuits

The reverse saturation current for a Germanium diode at a temperature

1.	The reverse saturation current for a Germanium diode at a temperature of 293 K is found to be 2 μA. What is the reverse saturation current Is at a temperature of 313 K?(a) 2 μA(b) 8 μA(c) 4 μA(d) Can’t be determinedI got this question in an interview.My question is taken from Diode Basics and Equivalent Circuits in chapter Diode Circuit of Analog Circuits
Answer» Right answer is (b) 8 μA To ELABORATE: The reverse saturation current for a silicon diode DOUBLES its value for every 10 K RISE in temperature. Hence Is at 313 K=2 x 2 x 2 = 8 uA.

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