When the temperature changes, the operating point is shifted due to .

Change in ICBO
Change in VCC
Change in the values of circuit resistance
None of the above

The correct answer is: A. Change in ICBO

When the temperature changes, the operating point is shifted due to a change in the collector-emitter leakage current (ICBO). This is because the ICBO increases with temperature. The increase in ICBO causes the collector current (IC) to

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increase, which in turn causes the operating point to shift.

The other options are incorrect because:

  • Option B: The collector supply voltage (VCC) does not change with temperature.
  • Option C: The values of circuit resistance do not change with temperature.
  • Option D: None of the above is the correct answer.

I hope this helps! Let me know if you have any other questions.

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