GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 244 - 247 of 1076

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Question 244

Appeared in Year: 2000

Question

MCQ▾

If the OP-AMP in the figure is ideal, then then output voltage is

The OP-AMP in the Figure is Ideal

Choices

Choice (4)Response

a.

b.

Zero

c.

d.

Question 245

Appeared in Year: 2002

Question

MCQ▾

The circuit in the figure employs positive feedback and is intended to generate sinusoidal oscillation. If at a frequency , then to sustain oscillations at this frequency

The Circuit Contacting Amplifier with Positive Feedback

Choices

Choice (4)Response

a.

b.

c.

d.

Question 246

Clipping, Clamping and Rectifiers

Appeared in Year: 2000

Question

MCQ▾

For the circuit shown, plot under steady state conditions, with and without capacitor C. Assume that the diode is ideal.

Shown in Figure is Consisting Diode, Resistor and Capacitor

Choices

Choice (4)Response

a.

Figure is Consisting Diode, Resistor and Capacitor: Choice A

b.

Figure is Consisting Diode, Resistor and Capacitor: Choice B

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question 247

Appeared in Year: 2003

Question

MCQ▾

If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then common mode rejection ration is

Choices

Choice (4)Response

a.

50 dB

b.

46 dB

c.

23 dB

d.

25 dB

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