Multiple choice

At 300 K, for a diode current of 1 mA, a certain germanium diode requires a forward bias of 0.1435V, whereas a certain silicon diode requires a forward bias of 0.718 V. Under the conditions stated above, the closest approximation of the ratio of reverse saturation current in germanium diode to that in silicon diode is

  1. 1

  2. 5
  3. 4 $\times$103
  4. 8 $\times$103
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C Correct answer
Explanation

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