نظم الكترونيك طبي

What is an operational amplifier (Op-Amp)?

• D. A mechanical sensor

• C. A digital signal processor

• B. A high-gain electronic voltage amplifier

• A. A low-gain electronic voltage amplifier

What is the main objective of studying Operational Amplifiers?

• C. To perform mathematical operations

• D. To understand frequency-dependent circuits

• A. To learn about waveforms

• B. To identify different types of Op-Amps

What is the open-loop gain of an ideal operational amplifier?

• D. Ten

• C. One

• B. Zero

• A. Infinite

What is the purpose of using a voltage follower configuration in an Op-Amp?

• D. To perform mathematical calculations

• A. To amplify the input signal

• B. To invert the input signal

• C. To have large input impedance and small output impedance

What is the closed-loop gain of a noninverting amplifier when Rf = 0 and R1 = ∞?

• D. -1

• C. Infinity

• A. 0

• B. 1

In the inverting Op-Amp configuration, what is the relationship between vo and vin?

• D. vo = vin + 1

• B. vo = -vin

• C. vo = 2vin

• A. vo = vin

What is the output voltage when vin = -0.6 V dc in the inverting Op-Amp configuration?

• D. -3.3 V dc

• C. 3.3 V dc

• B. -0.6 V dc

• A. 0.6 V dc

What is the gain of an ideal amplifier in terms of input impedance?

• C. One

• A. Infinite

• D. Ten

• B. Zero

What is the main function of an operational amplifier?

• D. To store data

• C. To convert digital signals to analog

• B. To control its functions using external feedback

• A. To generate random signals

What is the purpose of using an Op-Amp in analog computers?

• A. To perform mathematical operations

• B. To play audio signals

• D. To process text data

• C. To display video signals