Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 235 - 239 of 249

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Question 235

Analog Circuits
Biasing, Bias Stability

Appeared in Year: 2016

Question

Numeric Answer▾

An ideal op-amp has voltage source connected to the non-inverting input and connected to the inverted input as shown in the figure below . The voltage volts respectively. As N approaches infinity, the output voltage (in volt) is …

The Output Voltage

Question 236

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2015

Question

Numeric Answer▾

In the circuit shown, assume that the op-amp is ideal. If the gain is , the value of is …

The Circuit Shown, Assume That the Op-Amp is Ideal

Question 237

Analog Circuits
Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2017

Question

MCQ▾

A good trans-conductance amplifier should have

Choices

Choice (4)Response

a.

High input resistance and low output resistance

b.

Low input resistance and high output resistance

c.

High input and output resistances

d.

Low input and output resistances

Question 238

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2016

Question

MCQ▾

Consider the constant current source shown in the figure below. Let represent the current gain of the transistor.

The Represent the Current Gain of the Transistor

The load current through is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 239

Analog Circuits
Mid-Frequency Small Signal Analysis and Frequency Response

Appeared in Year: 2015

Question

Numeric Answer▾

A MOSFET in saturation has a drain current of 1 mA for If the channel length modulation coefficient is , the output resistance (in ) of the MOSFET is …

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