Operational Amplifier Fundamentals – Exercise – 2

91. What is the voltage gain of the unity follower?

(a) 0
(b) 1
(c) –1
(d) Infinity

Answer
Answer : (b)
Explanation
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92. What is the level of the voltage between the input terminals of an op-amp?

(a) Virtually zero
(b) 5 V
(c) 18 V
(d) 22 V

Answer
Answer : (a)
Explanation
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93. An IC unit made using both ________ and ________ transistors is called a ________ circuit.

(a) bipolar, MOSFET, BiFET
(b) bipolar, MOSFET, BiMOS
(c) TTL, MOSFET, TailFET
(d) any of these

Answer
Answer : (b)
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94. Nota

95. In which of the following operations is the resulting output signal of the differential amplifier near zero?

(a) Single-ended
(b) Double-ended
(c) Common-mode
(d) None of the above

Answer
Answer : (c)
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