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Multiple Choice

From the choices below these questions or statements choose the correct answer to the question, identify the statement as true or false, choose the words that correctly fill in the blanks, or choose the phrase that correctly completes the statement.

This activity contains 31 questions.

Question 1.
For the common-emitter amplifier ac equivalent circuit, all capacitors are

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Question 2.
For a common-emitter amplifier, the purpose of the emitter bypass capacitor is

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Question 3.
For a common-emitter amplifier, the purpose of swamping is

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Question 4.
An emitter-follower is also known as a

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Question 5.
In a common-base amplifier, the input signal is connected to the

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Question 6.
The differential amplifier produces outputs that are

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Question 7.
The differential amplifier has

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Question 8.
The dc emitter current of a transistor is 8 mA. What is the value of re?

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Question 9.
Refer to Figure 6-1. Calculate the value of VB.
Figure 6-1
Figure 6-1

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Question 10.
Refer to Figure 6-1. Find the value of IE.

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Question 11.
Refer to Figure 6-1. Determine the value of VC.

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Question 12.
Refer to Figure 6-1. Find the value of Rin(base).

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Question 13.
Refer to Figure 6-1. Calculate the value of Rin(tot).

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Question 14.
Refer to Figure 6-1. Determine the value of Av.

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Question 15.
Refer to Figure 6-1. If an emitter bypass capacitor was installed, determine the value of Rin(base).

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Question 16.
Refer to Figure 6-1. If an emitter bypass capacitor was installed, calculate the value of Rin(tot).

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Question 17.
Refer to Figure 6-1. If an emitter bypass capacitor was installed, what would the new Av be?

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Question 18.
An emitter-follower amplifier has an input impedance of 107 k. The input signal is 12 mV. The approximate output voltage is (common-collector)

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Question 19.
Refer to Figure 6-2. You notice while servicing this amplifier that the output signal at Vout is reduced from normal. The problem could be caused by
Figure 6-2
Figure 6-2

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Question 20.
Refer to Figure 6-2. The output signal from the first stage of this amplifier is 0 V. The trouble could be caused by

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Question 21.
A Darlington pair amplifier has

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Question 22.
You have a need to apply an amplifier with a very high power gain. Which of the following would you choose?

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Question 23.
What is the most important r parameter for amplifier analysis?

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Question 24.
A common-emitter amplifier has _____ voltage gain, _____ current gain, _____ power gain, and _____ input impedance.

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Question 25.
To analyze the common-emitter amplifier, what must be done to determine the dc equivalent circuit?

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Question 26.
When the bypass capacitor is removed from a common-emitter amplifier, the voltage gain

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Question 27.
A common-collector amplifier has _____ input resistance, _____ current gain, and _____ voltage gain.

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Question 28.
A Darlington pair provides beta _____ for _____ input resistance.

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Question 29.
The total gain of a multistage amplifier is the _____.

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Question 30.
What is re equal to in terms of h parameters?

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Question 31.
The advantage that a Sziklai pair has over a Darlington pair is

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