Top 50+ Solved Signal Conducting Circuits MCQ Questions Answer
Q. The group delay of the wave with phase constant of 62.5 units and frequency of 4.5radian/sec is
a. 13.88
b. 31.88
c. 88.13
d. 88.31
Q. 5 is"The maximum impedance of a transmission line 50 ohm and the standing wave ratio of
a. 20
b. 125
c. 200
d. 75
Q. 5 and Zo = 50, we get Zmax = 2.5 x 50 = 125 ohm."9.
a. "The minimum impedance of a transmission line 75 ohm with a standing wave ratio of 4 is 75
b. 300
c. 18.75
d. 150
Q. The average power in an electromagnetic wave is given by
a. propagation constant
b. poynting vector
c. phase constant
d. attenuation constant
Q. Identify the material which is not present in a transmission line setup.
a. waveguides
b. cavity resonator
c. antenna
d. oscillator
Q. What is the Common Mode Rejection Ratio?
a. Output of a differential amplifier
b. Ability of an amplifier to reject common mode signals
c. Ability of an amplifier to accept common mode signals
d. None of the mentioned
Q. Which of the following is not a characteristic of an ideal op-amp?
a. Zero slew rate
b. Infinite bandwidth
c. Infinite input impedance
d. Zero output impedance
Q. For an inverting amplifier positive terminal of input is connected to of 741 IC.
a. Pin number 3
b. Pin number 2
c. Pin number 1
d. Pin number 7
Q. In 741 IC, pin number 4 is represented by
a. Offset null
b. Positive input
c. Negative input
d. Negative supply
Q. Which of the following cannot be treated as a requirement of the instrumentation amplifier?
a. Low drift
b. Low input impedance
c. High linearity
d. High CMRR
Q. Amplifier with power supply and output circuits galvanically isolated are called
a. Differential amplifier
b. Isolation amplifier
c. Inverting amplifier
d. None of the mentioned
Q. Voltage follower is also known as
a. Unity gain amplifier
b. Differential amplifier
c. Comparator
d. None of the mentioned
Q. Which configuration of op-amp is used for filter circuit?
a. Differential
b. Non-inverting
c. Inverting
d. None of the mentioned
Q. Amplification of low level signal can be done using
a. Electrometer amplifier
b. Difference amplifier
c. Inverting amplifier
d. Non inverting amplifier