Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 61 - 63 of 249

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Question 61

Appeared in Year: 2004

Question

MCQ▾

Voltage series feedback (also called series-shunt feedback) results in

Choices

Choice (4)Response

a.

Decrease in both input and output impedances

b.

Decrease in input impedance and increase in output impedance

c.

Increase in both input and output impedances

d.

Increase in input impedance and decrease in output impedance

Question 62

Analog Circuits
Active Filters

Appeared in Year: 2005

Question

MCQ▾

Given the ideal operation amplifier circuit shown in the figure indicate the correct transfer characteristics assuming ideal diodes with zero cut-in Voltage.

The Circuit Containing the Ideal Operational Amplifier& 2diodes

Choices

Choice (4)Response

a.

The Transfer Characteristics Assuming Ideal Diodes: Choice A

b.

The Transfer Characteristics Assuming Ideal Diodes: Choice B

c.

The Transfer Characteristics Assuming Ideal Diodes: Choice C

d.

The Transfer Characteristics Assuming Ideal Diodes: Choice D

Question 63

Appeared in Year: 2003

Question

Match List-Ⅰ List-Ⅱ▾

Choose the correct match of input resistance of various amplifier configurations shown below

List-Ⅰ (Configuration)List-Ⅱ (Input Resistance)
(A)

CB: Common base

(i)

LO: Low

(B)

CE: Common Emitter

(ii)

HI: High

(C)

CC: Common Collector

(iii)

MO: Moderate

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)

a.

  • (i)
  • (iii)
  • (ii)

b.

  • (ii)
  • (iii)
  • (i)

c.

  • (iii)
  • (ii)
  • (i)

d.

All of the above

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