MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Why the junction triode is called a transistor?

Important Questions on Transistors

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 12
A transistor amplifier has collector supply voltage VCC= 50 V and collector voltage VC= 10 V. If load resistance RL is 200 Ω, calculate collector current IC.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 13
If Vb=18.4 V, Ve=17.8 V, how much is Vbe?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 14
What is the function of base region of a transistor? Why this region is made thin and lightly doped?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 15

In the given circuit Fig. (A) a voltmeter V is connected across the lamp L. What changes would occur at lamp L and voltmeter V if the resistance R is reduced in value? Give reasons for your answer.

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HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 16

In only one of the circuits given below the lamp L lights. Which circuit is it? Give reasons for your answer.

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HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 1
For a transistor in CE mode, β = 50 and voltage drop across 1 KΩ which is connected in the collector circuit is 2 volt. Find the base current.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 2
A transistor is connected in CE mode in which collector supply is 9 V and the voltage drop across load resistance RL connected in the collector circuit is 1.0 V. If RL =1 KΩ and α=0.99, determine (a) collector emitter voltage.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 2
A transistor is connected in CE mode in which collector supply is 9 V and the voltage drop across load resistance RL connected in the collector circuit is 1.0 V. If RL =1 KΩ and α=0.99, determine(b) base current.