EE 101_Main Quiz
BEE Class_28/10/2026
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What is the ideal input current of an Op-Amp?
1: What is the ideal input current of an Op-Amp?
15s
0 A
Infinite
1 µA
1000 µA
If Vin+=5.2V and Vin- = 5 V, what is the differential input voltage?
2: If Vin+=5.2V and Vin- = 5 V, what is the differential input voltage?
15s
10.2V
5.1V
0.1V
0.2V
If Vin+ =4 V and Vin- =2 V, what is the common-mode voltage?
3: If Vin+ =4 V and Vin- =2 V, what is the common-mode voltage?
15s
2V
4V
3V
6V
Input bias current of an Op-Amp is defined as the
4: Input bias current of an Op-Amp is defined as the
15s
Average magnitude of the two input bias currents
Output current under no-load conditions
Difference between input bias currents
Maximum current supplied by the Op-Amp
If the input bias currents are 80 nA and 100 nA in the same direction, what is the input offset current?
5: If the input bias currents are 80 nA and 100 nA in the same direction, what is the input offset current?
15s
180 nA
20 nA
90 nA
10 nA
What is the voltage gain of an ideal voltage follower?
6: What is the voltage gain of an ideal voltage follower?
15s
zero
- 1
+ 1
infinite
What is the voltage gain of an ideal inverting amplifier with Rf=20 k ohm and Rin=10 k ohm?
7: What is the voltage gain of an ideal inverting amplifier with Rf=20 k ohm and Rin=10 k ohm?
20s
+ 2
+ 0.5
- 2
- 0.5
In an ideal Op-Amp operating linearly with negative feedback, the voltages at the two input terminals are approximately:
8: In an ideal Op-Amp operating linearly with negative feedback, the voltages at the two input terminals are approximately:
15s
Equal
Always zero
Opposite in polarity
Equal to the supply voltage
What is the primary purpose of negative feedback in an Op-Amp amplifier?
9: What is the primary purpose of negative feedback in an Op-Amp amplifier?
15s
Increase the open-loop gain
Stabilize and control the closed-loop gain
Eliminate the power supply
Increase the input offset voltage
What does the slew rate of an Op-Amp represent
10: What does the slew rate of an Op-Amp represent
15s
Maximum input voltage
Maximum output current
Maximum rate of change of output voltage
Maximum voltage gain