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An increase in junction temperature of a semiconductor diode
  • a)
    causes a small increase in reverse saturation current
  • b)
    causes a large increase in reverse saturation current
  • c)
    does not affect reverse saturation current
  • d)
    may cause an increase or decrease in reverse saturation current depending on rating of diode
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
An increase in junction temperature of a semiconductor diodea)causes a...
Reverse saturation current doubles for every 10ºC rise in junction temperature.
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Most Upvoted Answer
An increase in junction temperature of a semiconductor diodea)causes a...
Effect of junction temperature on reverse saturation current:
Increasing the junction temperature of a semiconductor diode has a significant impact on the reverse saturation current flowing through the diode.

Explanation:

1. Relationship between junction temperature and reverse saturation current:
- As the junction temperature of a diode increases, the reverse saturation current also increases.
- This phenomenon occurs due to the higher energy levels of charge carriers at elevated temperatures, leading to more carrier generation and consequently a larger reverse saturation current.

2. Reason for a large increase in reverse saturation current:
- The increase in reverse saturation current with temperature is not linear; instead, it follows an exponential relationship.
- This exponential increase can result in a significant rise in reverse saturation current with a relatively small change in junction temperature.
Therefore, the correct answer is option 'b' - an increase in junction temperature of a semiconductor diode causes a large increase in reverse saturation current.
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An increase in junction temperature of a semiconductor diodea)causes a small increase in reverse saturation currentb)causes a large increase in reverse saturation currentc)does not affect reverse saturation currentd)may cause an increase or decrease in reverse saturation current depending on rating of diodeCorrect answer is option 'B'. Can you explain this answer?
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