Top 50+ Solved Signal Conducting Circuits MCQ Questions Answer
Q. Which of the following is not a requirement of transmission lines?
a. Minimum attenuation of signal
b. Should not radiate signal
c. High power signal
d. Less noise
Q. What is used between the two lead wires of a parallel transmission line?
a. Plastic
b. Ceramic
c. Metal
d. Wood
Q. What is used as a surrounding for the solid center core in a coaxial cable?
a. Plastic dielectric
b. Ceramic
c. Metal
d. Wood
Q. For what purpose was twisted pair cable first used?
a. AM
b. Telephone
c. Wi-Fi
d. Digital data transmission
Q. What is the type of transmission line in which neither wire is connected to the ground?
a. Unbalanced line
b. Twisted pair cable
c. LAN lines
d. Balanced line
Q. What is the phase difference between the current flowing in the two wires of a balanced line?
a. 100°
b. 180°
c. 150°
d. 90°
Q. What is it called when the noise is present in the transmission line but gets canceled at thereceiver?
a. Cancellation mode
b. Common mode cancellation
c. Common mode rejection
d. Rectification
Q. What is the device that converts the balanced line to an unbalanced line called?
a. Unbalancer
b. Balancer
c. Balun
d. Equalizer
Q. Which filter attenuates any frequency outside the pass band?
a. Band-pass filter
b. Band-reject filter
c. Band-stop filter
d. All of the mentioned
Q. When a second order high pass filter and second order low pass sections are cascaded, theresultant filter is a
a. ±80dB/decade band-pass filter
b. ±40dB/decade band-pass filter
c. ±20dB/ decade band-pass filter
d. None of the mentioned
Q. Find the voltage gain magnitude of the wide band-pass filter?Where total pass band gain is=6, input frequency = 750Hz, Low cut-off frequency =200Hz and high cut-off frequency=1khz.
a. 13.36 dB
b. 12.25 dB
c. 11.71 dB
d. c) 14.837dB