MHT CET 2021 23rd September Evening Shift | Semiconductor Devices and Logic Gates Question 140 | Physics

In a CE transistor, a change of $$8.0 \mathrm{~mA}$$ in the emitter current produces a change of $$7.8 \mathrm{~mA}$$ in the collector current. What change in the base current is necessary to produce the same change in the collector current?

$$200 \mu \mathrm{A}$$

$$50 \mu \mathrm{A}$$

$$100 \mu \mathrm{A}$$

$$150 \mu \mathrm{A}$$

MHT CET 2021 23th September Morning Shift

MCQ (Single Correct Answer)

-0

The resultant gate and its Boolean expression in the given circuit is

MHT CET 2021 23th September Morning Shift Physics - Semiconductor Devices and Logic Gates Question 112 English

NOR, $$\overline{\mathrm{A}+\mathrm{B}}$$

AND, A , B

OR, A+B

NAND, $$\mathrm{\overline{A \cdot B}}$$

MHT CET 2021 23th September Morning Shift

MCQ (Single Correct Answer)

-0

What are the values of the currents flowing in each of the following diode circuits $$\mathrm{X}$$ and $$\mathrm{Y}$$ respectively? (Assume that the diodes are ideal)

MHT CET 2021 23th September Morning Shift Physics - Semiconductor Devices and Logic Gates Question 113 English

1 A, 2 A

2 A, 1 A

4 A, 2 A

2 A, 4 A

MHT CET 2021 23th September Morning Shift

MCQ (Single Correct Answer)

-0

In common emitter amplifier, a change of 0.2 mA in the base current causes a change of 5 mA in the collector current. If input resistance is 2 k$$\Omega$$ and voltage gain is 75, the load resistance used in the circuit is

8 k$$\Omega$$

4 k$$\Omega$$

12 k$$\Omega$$

6 k$$\Omega$$

PREVIOUS NEXT

MHT CET Subjects

Browse all chapters by subject

Chemistry

Physical Chemistry

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

Inorganic Chemistry

Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry