MHT CET 2025 23rd April Morning Shift | Semiconductor Devices and Logic Gates Question 21 | Physics

In the case of common emitter transistor amplifier, the ratio of collector current to emitter current is 0.96 , then the current gain $(\beta)$ of the amplifier is

MHT CET 2025 22nd April Evening Shift

MCQ (Single Correct Answer)

-0

In the logic circuit given, $\mathrm{A}, \mathrm{B}$ and C are the inputs and Y is the output. The output Y is HIGH

MHT CET 2025 22nd April Evening Shift Physics - Semiconductor Devices and Logic Gates Question 25 English

for all the HIGH inputs.

for all the LOW inputs.

when $\mathrm{A}=1, \mathrm{~B}=0, \mathrm{C}=0$

when $\mathrm{A}=1, \mathrm{~B}=0, \mathrm{C}=1$

MHT CET 2025 22nd April Evening Shift

MCQ (Single Correct Answer)

-0

The graph given below represents I-V characteristics of zener diode. The part of the characteristics curve that is most relevant for its operation as a voltage regulator is

MHT CET 2025 22nd April Evening Shift

MCQ (Single Correct Answer)

-0

In n-type semiconductor, free electrons donated by the impurity atoms occupy energy levels in

the conduction band.

the valence band.

the band gap and are close to the conduction band.

the band gap and are close to the valence band.

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

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