Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 73 - 77 of 249

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Question 73

Analog Circuits
Clipping, Clamping and Rectifiers

Appeared in Year: 2003

Question

MCQ▾

The circuit shown in the figure is best described as a

Circuit Containing AC Voltage Source with 2diodes &2 Capacitors

Choices

Choice (4)Response

a.

Ring modulator

b.

Bridge rectifier

c.

Frequency discrimination

d.

Voltage doubler

Question 74

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2003

Question

MCQ▾

If the input to the ideal comparator shown in the figure is a sinusoidal signal of 8 volts peak to peak, without any DC component, then the output of the comparator has a duty cycle of

Ideal Comparator with 2inputs &to Find the Duty Cycle of Output

Choices

Choice (4)Response

a.

b.

c.

d.

Question 75

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2000

Question

MCQ▾

If the OP-AMP in the figure has an input offset voltage of 5 m V and an open loop voltage gain of 10,000. then the output will be

Finding the Output v0 in this Question

Choices

Choice (4)Response

a.

+ 50 or -50 volts

b.

+ 15 or -15 volts

c.

0 volts

d.

5 volts

Question 76

Appeared in Year: 2004

Question

MCQ▾

Assuming volts and , the minimum base current required to drive the transistor in figure to saturation is

The Bipolar Junction Transistor with Notation of Current

Choices

Choice (4)Response

a.

b.

c.

d.

Question 77

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2004

Question

MCQ▾

In the op-amp circuit given in the figure, the load current is

The OPAMP Circuit to Find Its Load Current

Choices

Choice (4)Response

a.

b.

c.

d.

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