WorksheetsEMJ17103/4 Quiz 1 - Op-Amp (Part I)
Total questions: 10
Worksheet time: 5mins
What is an operational amplifier (op-amp)?
A type of resistor
A type of capacitor
A digital circuit
A very high gain differential amplifier
Which of the following is a characteristic of an ideal op-amp?
Finite input impedance
Infinite voltage gain
Low output impedance
Limited bandwidth
What does CMRR stand for?
Current Mode Rejection Ratio
Common Mode Rejection Ratio
Capacitance Mode Rejection Ratio
Common Mode Resistance Ratio
What is the effect on the output when both inputs of a differential amplifier are connected to the same voltage level?
The output remains constant
The output is an amplified version of the input
The output is inverted
The output is zero
What is the primary function of negative feedback in an op-amp?
To stabilize and control the gain
To increase the output voltage
To eliminate noise completely
To reduce the input impedance
Which of the following describes the input offset voltage (VOS)?
The average of the two dc currents
The differential dc voltage required to force the output to zero
The difference between the two dc bias currents
The maximum output voltage swing
What is the closed-loop voltage gain, Acl, of a non-inverting op-amp?
In a non-inverting amplifier configuration, how does the output signal relate to the input signal?
They are identical
The output is the inverse of the input
The output is greater than the input
The output is less than the input
In a non-inverting op-amp configuration, the attenuation factor, B, is defined by the feedback network. Which of the following expressions correctly represents B?
What is the maximum rate of change of the output voltage in response to a step input voltage called?
Gain bandwidth product
Common mode gain
Slew rate
Input offset current
