Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 245 - 249 of 249

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Question 245

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2020

Question

MCQ▾

The components in the circuit given below are ideal. If R = 2 and C = 1 , the -3 dB cut-off frequency of the circuit in Hz is

Choices

Choice (4)Response

a.

14.92

b.

79.58

c.

59.68

d.

34.46

Question 246

Analog Circuits
Clipping, Clamping and Rectifiers

Appeared in Year: 2020

Question

In the circuit shown below all component ideal, input voltage is sinusoidal. Magnitude of steady state output is ________ V.

Question 247

Analog Circuits
Clipping, Clamping and Rectifiers

Appeared in Year: 2021

Question

An asymmetrical periodic pulse train of 10 V amplitude with on-time ms and off-time is applied to the circuit shown in the figure. The diode is ideal.

The difference between the maximum voltage and minimum voltage of the output waveform (in integer) is ________V.

Question 248

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2021

Question

A circuit with an ideal OPAMP is shown in the figure. A pulse of 20 ms duration is applied to the input. The capacitors are initially unchanged.

The output voltage of this circuit at (in integer) is ________ V.

Question 249

Appeared in Year: 2020

Question

MCQ▾

The components in the circuit shown below are ideal.

If the Op-amp is in positive feedback and the input voltage is a sine wave of amplitude ?

Choices

Choice (4)Response

a.

An inverted sine wave of amplitude

b.

A non-inverted sine wave of amplitude

c.

A square wave of amplitude

d.

a constant of either or

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