EE 101_Main Quiz

BEE Class_28/10/2026

EE 101_Main Quiz

What is the ideal input current of an Op-Amp?

1: What is the ideal input current of an Op-Amp?

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?

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?

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

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?

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?

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?

+ 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:

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?

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

Maximum input voltage

Maximum output current

Maximum rate of change of output voltage

Maximum voltage gain