MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Draw the common base circuit diagram of an n-p-n transistor.

Important Questions on Transistors

HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 3
In a transistor amplifier, the collector load resistance RL is 2 KΩ and input resistance Ri is 1 KΩ . If the current gain is 50, calculate voltage gain of the amplifier.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 7
The input resistance of a common emitter amplifier is 2 kΩ and ac current gain is 20. If the load resistor used is 5 kΩ, calculate (ii) the transconductance of the transistor used.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 9
A change of 0.2 mA in the base current causes a change of 5 mA in the collector current for a common emitter amplifier. (ii) If the input resistance is 2 kΩ, and is voltage gain is 75, calculate the load resistor used in the circuit.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 4
What is a transistor? Why it is so called? Explain the working of an n-p-n or p-n-p transistor.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 6
Draw the circuit diagram to study input and output characteristics of CB- NPN transistor. How do you determine α and β from its characteristics ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 1
The emitter-base junction is always _____ biased.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 1

Correct the following sentences: The emitter-base junction is always reverse biased.

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 2

Correct the following sentences: The value of transistor constant β is always less than 1.