21. MOSFET can be used as
22. A p-n junction diode's dynamic conductance is directly proportional to
23. Which of the following properties does CMOS logic possess?
24. In an intrinsic semiconductor, the mobility of electrons in the conduction band is
25. At absolute zero temperature, an intrinsic semiconductor behave like an insulator because of
26. For an n-type semiconductor having any doping level, which of the following hold(s) good:
27. A photodiode is normally:
28. A semiconductor specimen of breadth d, width w and carrying current I is placed in a magnetic field B to develop Hall voltage VH in a direction perpendicular to I and B. VH is NOT proportional to
29. Miller indices are same for:
30. For smooth and reliable operation of an amplifier using BJT, it is necessary that the circuit must be properly designed from the point of view of bias stabilization, because
1. Reverse saturation current ICO increases with rise in temperature.
2. VBE decreases with rise in temperature.
3. hFE or β changes with change of temperature and replacement of the transistor.
4. hFE or β changes with change in collector supply voltage.
Which of these statements are correct?
1. Reverse saturation current ICO increases with rise in temperature.
2. VBE decreases with rise in temperature.
3. hFE or β changes with change of temperature and replacement of the transistor.
4. hFE or β changes with change in collector supply voltage.
Which of these statements are correct?
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