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Electronic Devices - Operational Amplifiers

Exercise : Operational Amplifiers - General Questions
26.

Refer to the given figure. This amplifier is known as

an inverting amplifier.
a non-inverting amplifier.
a voltage-follower.
a common-source amplifier.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Calculate the output voltage if R1 = R2 = R3 = 100 , Rf = 1 k, and V1 = V2 = V3 = 50 mV.

–1.5 V
1.5 V
0.5 V
–0.5 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
If Rf = R1, the voltage gain is ________.

1
–1
10
very small
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The maximum rate of change of the output voltage in response to a step input voltage is the ________ of an op-amp.
time constant
maximum frequency
slew rate
static discharge
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
At what input voltage level does the output voltage level become numerically equal to the value of the differential gain of the amplifier?
Vi1 = –Vi2 = 0.25 V
V i1 = –V i2 = 0.50 V
V i1 = –V i2 = 0.75 V
V i1 = –Vi2 = 1.00 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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