The value of $\alpha$

Important Questions on Transistors

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 8

In a transistor,

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 9

The value of $\beta$

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 10

In a transistor base current is 

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 11

In a common-emitter transistor amplifier circuit $\beta =50,$ input resistance $R_i=500 \Omega$ and output resistance $R_L=5 \mathrm{K\Omega }$ . The voltage gain of the amplifier is 

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 12

For a transistor $\alpha =0.95$, the value of $\gamma$ is:

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 13

In a common-base transistor amplifier circuit $\beta =9$, input resistance is $100 \mathrm{\Omega }$ and output resistance is $2 \mathrm{K\Omega }$. The voltage gain of the current is 

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12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 1

Define $\alpha ,\beta$ and $\gamma$ of a transistor.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 20 - Transistors>MODEL QUESTIONS>Q 2

In a normal operation of a transistor base-emitter junction is forward biased or reverse biased.