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# Test: Applications Of Transistors

## 10 Questions MCQ Test Physics Class 12 | Test: Applications Of Transistors

Description
This mock test of Test: Applications Of Transistors for Class 12 helps you for every Class 12 entrance exam. This contains 10 Multiple Choice Questions for Class 12 Test: Applications Of Transistors (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Applications Of Transistors quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Test: Applications Of Transistors exercise for a better result in the exam. You can find other Test: Applications Of Transistors extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
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QUESTION: 2

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QUESTION: 3

### An oscillator is nothing but an amplifier with:

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QUESTION: 4

The output characteristic for a common emitter transistor is shown in the given figure. Use the graph to find out the current amplification factor for the transistor when VCE = 2 V.​

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QUESTION: 5

The power amplification for a common emitter (CE) amplifier is 22110. Its current gain is 67 and internal resistance is 200 ohm. What is the value of the of the output resistance?​

Solution: QUESTION: 6

A common emitter (CE) amplifier has a current gain of 49. The voltage drop across the collector terminal is 1.8 V. The collector resistance is 2.2 kilo-ohm. What is the base current in the CE amplifier?​

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QUESTION: 7

Which of the following relations correctly shows the value of current amplification factor at a constant collector-emitter voltage?

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QUESTION: 8

Transistors are useful in equipments such as hearing aids and small radio receivers because transistors :

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QUESTION: 9

The input voltage applied to a cascaded amplifier (consisting of two amplifiers) is 0.02 V and the output voltage is 6 V. The voltage gain of one of the two amplifiers is 10. What is the voltage gain of the other amplifier?​

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QUESTION: 10

In a common base transistor circuit, the current gain is 0.98. On changing emitter current by 5 mA, the change in collector current is​

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