FET as a VVR - MCQs with answers
Q1. How does the FET operate before the pinch-off region with small value of drain-to-source voltage in accordance to the control of drain-to-source resistance by the bias voltage?a. As a Volatge Controlled Resistor
b. As a Voltage Dependent Resistor
c. As a Voltage-Variable Resistor
d. All of the above
View Answer / Hide Answer ANSWER: d. All of the above
Q2. The rectified & filtered signal taken at a high level point in AGC amplifier generates _______.a. dc voltage proportional to the level of an output signal
b. dc voltage proportional to the level of an input signal
c. ac voltage proportional to thelevel of output signal
d. ac voltage proportional to the level of an input signal
View Answer / Hide Answer ANSWER: a. dc voltage proportional to the level of an output signal
Q3. What is the major functioning role of VVR in the multistage AGC amplifier circuit during an increment in the signal level?a. Variation in control of input signal level
b. Variation in voltage gain of multistage amplifier
c. Variation in current gain of multistage amplifier
d. Variation in control of output signal level
View Answer / Hide Answer ANSWER: b. Variation in voltage gain of multistage amplifier
