Electronics (GATE Physics): Questions 4 - 8 of 65

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Question number: 4

» Electronics » Counters

Appeared in Year: 2014

Short Answer Question▾

Write in Short

The minimum number of flip – flops required to construct a mod – 75 counter is ________.

Question number: 5

» Electronics » Operational Amplifiers

Appeared in Year: 2015

MCQ▾

Question

In the given circuit, if the open loop gain A=105 , the feedback configuration and the closed loop gain Af are,

The feedback configuration

The Feedback Configuration

In figure the feedback configuration is shown.

Choices

Choice (4) Response

a.

Series – shunt, Af=9

b.

Series – series, Af=10

c.

Shunt – shunt, Af=10

d.

Series – shunt, Af=10

Question number: 6

» Electronics » Field Effect Transistors

Appeared in Year: 2014

Short Answer Question▾

Write in Short

The current gain of the transistor in the following circuit is βdc=100 . The value of collector current IC is _mA .

The circuit consists of transistor

The Circuit Consists of Transistor

Figure shows a portion of a circuit diagram.

Question number: 7

» Electronics » Field Effect Transistors

Appeared in Year: 2015

Short Answer Question▾

Write in Short

In the given circuit, the voltage across the source resistor is 1 V. The drain voltage (in V) is ________.

A circuit diagram consist of JFET

A Circuit Diagram Consist of JFET

Figure shows a circuit consists of three resistors and a JFET, the voltage across the source resistor is 1 V.

Question number: 8

» Electronics » Operational Amplifiers

Appeared in Year: 2015

MCQ▾

Question

Consider the circuit shown in the figure, where RC=1 . For an input signal Vi shown below, choose the correct V0 from the options:

 A circuit of an op – amp and input signal

a Circuit of an Op – Amp and Input Signal

In figure a circuit diagram of an op – amp and input signals are shown.

Choices

Choice (4) Response

a.

Output signals of given op – amp: Choice A

Output Signals of Given Op – Amp: Choice A

In figure output signals of given op – amp circuit is shown.

b.

 Output signals of given op – amp: Choice B

Output Signals of Given Op – Amp: Choice B

In figure output signals of given op – amp circuit is shown.

c.

 Output signals of given op – amp: Choice C

Output Signals of Given Op – Amp: Choice C

In figure output signals of given op – amp circuit is shown.

d.

Output signals of given op – amp: Choice D

Output Signals of Given Op – Amp: Choice D

In figure output signals of given op – amp circuit is shown.

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