What is the difference between knee voltage and breakdown voltage?

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Solution

Difference between knee voltage and breakdown voltage are given below:
Knee voltage
breakdown voltage
1.The knee voltage or cut-in voltage is the forward voltage at which the current through the junction begins to rapidly increase. Break down voltage is the reverse voltage at which the P-N junction of a diode fails due to a sudden increase in reverse current.
2.Width of the depletion layer decreases Width of the depletion layer increases

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Knee voltage	breakdown voltage
1.The knee voltage or cut-in voltage is the forward voltage at which the current through the junction begins to rapidly increase.	Break down voltage is the reverse voltage at which the P-N junction of a diode fails due to a sudden increase in reverse current.
2.Width of the depletion layer decreases	Width of the depletion layer increases