Op-Amp Circuits MCQs

Option A: 10 volts

Option B: 5 volts

Option C: 5/ volts

Option D: 5/2 volts

Correct Answer: 5/2 volts ✔

Option A: 50KHz

Option B: 100KHz

Option C: 1000/17KHz

Option D: 1000/7.07KHz

Correct Answer: 50KHz ✔

Option A: CMMR

Option B: Bandwidth

Option C: Slew rate

Option D: Open-loop gain

Correct Answer: Slew rate ✔

Option A: Square wave

Option B: Triangular wave

Option C: Parabolic wave

Option D: Sine wave

Correct Answer: Sine wave ✔

Option A: 2

Option B: 1

Option C: 1/2

Option D: 0

Correct Answer: 2 ✔

Option A: Non inverter

Option B: Voltage follower

Option C: Summer

Option D: Difference amplifier

Correct Answer: Summer ✔

Option A: A ramp

Option B: A sinusoidal wave

Option C: A rectangular wave

Option D: A triangular wave with dc bias

Correct Answer: A ramp ✔

Option A: The differential voltage across the input terminals is zero

Option B: The current into the input terminals is zero

Option C: The current from output terminal is zero

Option D: The output resistance is zero

Correct Answer: The current from output terminal is zero ✔

Option A: 23dB

Option B: 25dB

Option C: 46dB

Option D: 50dB

Correct Answer: 23dB ✔

Option A: Instrumentation amplifiers

Option B: Voltage followers

Option C: Voltage regulators

Option D: Buffers

Correct Answer: Instrumentation amplifiers ✔

Option A: High and low

Option B: Positive and negative

Option C: Inverting and non inverting

Option D: Differential ans non differential

Correct Answer: Inverting and non inverting ✔

Option A: Av + Ac

Option B: Av / Ac

Option C: 1 + Av / AC.

Option D: Ac / Av

Correct Answer: Av / Ac ✔

Option A: Energy is to be stored/discharged in parasitic capacitances

Option B: Effects of temperature would be compensated

Option C: Devices in the circuit should be allowed time for saturation and desaturation

Option D: It would prevent noise from causing false triggering

Correct Answer: Devices in the circuit should be allowed time for saturation and desaturation ✔

Option A: -6V

Option B: -5V

Option C: -1.2V

Option D: -0.2V

Correct Answer: -5V ✔

Option A: 0.6A

Option B: 0.5A

Option C: 0.2A

Option D: 1/12A

Correct Answer: 0.5A ✔

Option A: 10 V

Option B: 5 V

Option C: 5V

Option D: 5/2 V

Correct Answer: 10 V ✔

Option A: ∞

Option B: 120k

Option C: 110k

Option D: 10k

Correct Answer: 110k ✔

Option A: 795mV

Option B: 395mV

Option C: 795mV

Option D: 39.5mV

Correct Answer: 795mV ✔

Option A: Current controlled Current source

Option B: Current controlled Voltage source

Option C: Voltage controlled Voltage source

Option D: Voltage controlled Current source

Correct Answer: Voltage controlled Voltage source ✔

Option A: 4

Option B: 3

Option C: 2

Option D: 1

Correct Answer: 1 ✔

Option A: 2

Option B: 3

Option C: 4

Option D: 1

Correct Answer: 1 ✔

Option A: Ri=∞ ,A=∞ ,R0=0

Option B: Ri=0 ,A=∞ ,R0=0

Option C: Ri=∞ ,A=∞ ,R0=∞

Option D: Ri=0 ,A=∞ ,R0=∞

Correct Answer: Ri=∞ ,A=∞ ,R0=0 ✔

Option A: Not need an input resistor

Option B: Be virtual ground

Option C: Have high reverse current

Option D: Not invert the signal

Correct Answer: Be virtual ground ✔

Option A: Current controlled Current source

Option B: Current controlled voltage source

Option C: Voltage controlled voltage source

Option D: voltage controlled current source

Correct Answer: Voltage controlled voltage source ✔

Option A: Less than one

Option B: Greater than one

Option C: Of zero

Option D: Equal to one

Correct Answer: Greater than one ✔

Option A: The ratio of the input resistance to feedback resistance

Option B: The open-loop voltage gain

Option C: The feedback resistance divided by the input resistance

Option D: The input resistance

Correct Answer: The feedback resistance divided by the input resistance ✔

Option A: 1.273kHz

Option B: 12.73kHz

Option C: 127.3 kHz

Option D: 127.3 Hz

Correct Answer: 1.273kHz ✔