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Thermal runaway is not encountered product
- a)IDS has a zero temperature coefficient
- b)IDS has a negative temperature coefficient
- c)IDS has a positive temperature coefficient
- d)The mobility of the carriers increases with increase in temperature
Correct answer is option 'A'. Can you explain this answer?
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Thermal runaway is not encountered producta)IDS has a zero temperature...
Explanation:
Thermal runaway is a phenomenon that occurs when the temperature of a device increases and causes an increase in current, which in turn causes an increase in temperature. This feedback loop can lead to catastrophic failure of the device. However, thermal runaway is not encountered in products that have a zero temperature coefficient.
What is IDS?
IDS stands for drain current, which is the current flowing through a field-effect transistor (FET). The drain current is determined by the gate-source voltage and the characteristics of the FET.
Temperature Coefficient of IDS
The temperature coefficient of IDS refers to the change in drain current with respect to changes in temperature. There are three types of temperature coefficients:
1. Positive temperature coefficient: In this case, the drain current increases with an increase in temperature. This can lead to thermal runaway.
2. Negative temperature coefficient: Here, the drain current decreases with an increase in temperature.
3. Zero temperature coefficient: In this case, the drain current remains constant with changes in temperature.
Impact of IDS Temperature Coefficient on Thermal Runaway
Since thermal runaway occurs due to an increase in current, a product with a positive temperature coefficient can be prone to thermal runaway. However, a product with a negative temperature coefficient will be more stable as the drain current decreases with an increase in temperature. A product with a zero temperature coefficient will not encounter thermal runaway as the drain current remains constant with temperature changes.
Conclusion
In conclusion, thermal runaway is not encountered in products that have a zero temperature coefficient like IDS. This is because the drain current remains constant with changes in temperature, preventing the feedback loop that causes thermal runaway.
Thermal runaway is a phenomenon that occurs when the temperature of a device increases and causes an increase in current, which in turn causes an increase in temperature. This feedback loop can lead to catastrophic failure of the device. However, thermal runaway is not encountered in products that have a zero temperature coefficient.
What is IDS?
IDS stands for drain current, which is the current flowing through a field-effect transistor (FET). The drain current is determined by the gate-source voltage and the characteristics of the FET.
Temperature Coefficient of IDS
The temperature coefficient of IDS refers to the change in drain current with respect to changes in temperature. There are three types of temperature coefficients:
1. Positive temperature coefficient: In this case, the drain current increases with an increase in temperature. This can lead to thermal runaway.
2. Negative temperature coefficient: Here, the drain current decreases with an increase in temperature.
3. Zero temperature coefficient: In this case, the drain current remains constant with changes in temperature.
Impact of IDS Temperature Coefficient on Thermal Runaway
Since thermal runaway occurs due to an increase in current, a product with a positive temperature coefficient can be prone to thermal runaway. However, a product with a negative temperature coefficient will be more stable as the drain current decreases with an increase in temperature. A product with a zero temperature coefficient will not encounter thermal runaway as the drain current remains constant with temperature changes.
Conclusion
In conclusion, thermal runaway is not encountered in products that have a zero temperature coefficient like IDS. This is because the drain current remains constant with changes in temperature, preventing the feedback loop that causes thermal runaway.
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Thermal runaway is not encountered producta)IDS has a zero temperature coefficientb)IDS has a negative temperature coefficientc)IDS has a positive temperature coefficientd)The mobility of the carriers increases with increase in temperatureCorrect answer is option 'A'. Can you explain this answer?
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