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Analog Electronics MCQ Questions & Answers | ECE

Learn Analog Electronics MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Analog Electronics MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-10 section-2

Each section contains 100 MCQs on Analog Electronics .
91
What is the Q-point for a fixed-bias transistor with IB = 75 µA; βDC = 100, VCC = 20 V, RC = 1.5 kΩ
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Answer: Option C
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92
Inside a 741 op-amp the last functional block is a
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Answer: Option D
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93
For a three-input inverting summing amplifier, $${{\text{V}}_{{\text{out}}}} = - \frac{{\left( {{{\text{V}}_1} + {{\text{V}}_2} + {{\text{V}}_3}} \right)}}{3},$$     what is the relation between Rf and R?
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Answer: Option A
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94
In the circuit shown in the given figure, V0 is given by
Analog Electronics mcq question image
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Answer: Option A
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95
Consider the following statements:
To draw a.c. equivalent circuit of a transistor, all
1. d.c. sources are shorted
2. a.c. sources are shorted
3. d.c. sources are opened
4. a.c. sources are connected to d.c. sources
Which of the above statements is/are correct?
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Answer: Option C
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96
In ideal op-amp the current through the virtual ground is
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Answer: Option C
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97
In the silicon BJT circuit shown below, assume that the emitter area of transistor Q1 is half that of transistor Q2.
The value of current I0 is approximately
Analog Electronics mcq question image
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Answer: Option B
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98
A circuit whose output is proportional to the difference between the input signals is considered to be which type of amplifier?
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Answer: Option A
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99
If the base current of a BJT is 250 µA and emitter is 15 mA, then the common base current gain will be
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Answer: Option A
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100
If the circuit shown has to function as a clamping circuit, then which one of the following conditions should be satisfied for the sinusoidal signal of period T?
Analog Electronics mcq question image
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Answer: Option D
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