Gain Multiple Choice Questions (MCQ) PDF - 12

MCQ 56: Amplification mathematically is

1. Multiplication of a signal by a signal
2. Multiplication of a signal by a constant
3. Multiplication of a signal by a time varying signal
4. Multiplication of a signal by a discrete waveform

MCQ 57: Op - amps esentially are

1. Amplifiers
2. Power Attenuators
3. Voltage dividers
4. voltage attenuator

MCQ 58: Current gain in dB is has a factor of

1. 10
2. 20
3. 0
4. 30

MCQ 59: Ia(t) can be used to represent which type of current

1. All of these
2. Incremental current
3. instantaneous current
4. Supply current

MCQ 60: Preamplifier in the home stereo system is an example of a

1. power amplifier
2. voltage amplifier
3. current amplifier
4. All of these