Top 50+ Solved Signal Conducting Circuits MCQ Questions Answer
Q. The ability of the amplifier to reject common voltages on its two input leads is known as
a. common mode rejection rate
b. coupled mode rejection rate
c. common mode rejection ratio
d. coupled mode rejection ratio
Q. The output of differential gain is given by
a. (difference of the two input voltage)*(feedback resistance/input resistance)
b. (sum of the two input voltage)*(feedback resistance/input resistance)
c. (difference of the two input voltage)*(input resistance/feedback resistance)
d. (sum of the two input voltage)*(input resistance/feedback resistance)
Q. The impedance of the input should be in order to obtain high CMRR in thedifferential amplifier.
a. low
b. High
c. Does not matter
d. Very low
Q. A Differential Amplifier amplifies
a. Input signal with higher voltage
b. Input voltage with smaller voltage
c. Sum of the input voltage
d. None of the Mentioned
Q. If output is measured between two collectors of transistors, then the Differential amplifier withtwo input signal is said to be configured as
a. Dual Input Balanced Output
b. Dual Input Unbalanced Output
c. Single Input Balanced Output
d. Dual Input Unbalanced Output
Q. A differential amplifier is capable of amplifying
a. DC input signal only
b. AC input signal only
c. AC & DC input signal
d. None of the Mentioned
Q. In ideal Differential Amplifier, if same signal is given to both inputs, then output will be
a. Same as input
b. Double the input
c. Not equal to zero
d. Zero
Q. The characteristic impedance of a quarter wave transformer with load and inputimpedances given by 30 and 75 respectively is
a. 47.43
b. 37.34
c. 73.23
d. 67.45
Q. For a matched line, the input impedance will be equal to
a. Load impedance
b. Characteristic impedance
c. Output impedance
d. Zero
Q. The power of the transmitter with a radiation resistance of 12 ohm and an antenna currentof 3.5A is
a. 147
b. 741
c. 174
d. 471