GATE Physics: Questions 266 - 269 of 622

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Question number: 266

» Electronics » Field Effect Transistors

Appeared in Year: 2011

MCQ▾

Question

In the following circuit, Tr1 and Tr2 are identical transistors having VBE=0.7V . The current passing through the transistor Tr2 is –

A circuit diagram consists of two transistors

A Circuit Diagram Consists of Two Transistors

In figure a circuit diagram consists of two transistors is shown.

Choices

Choice (4) Response

a.

50mA

b.

57mA

c.

43mA

d.

48mA

Question number: 267

» Electronics » Basic Digital Logic Circuits

Appeared in Year: 2011

MCQ▾

Question

The following Boolean expression

Y=AB¯C¯D¯+A¯BC¯D+A¯B¯C¯D+A¯B¯CD+A¯BCD+AB¯C¯D

can be simplified to –

Choices

Choice (4) Response

a.

AB¯C+A¯D

b.

A¯B¯C+AD¯

c.

A¯BC¯+AD¯

d.

AB¯C¯+A¯D

Question number: 268

» Thermodynamics and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2011

MCQ▾

Question

The degeneracy of an excited state of nitrogen atom having electronic configuration 1s22s22p23d1 is –

Choices

Choice (4) Response

a.

150

b.

6

c.

15

d.

10

Passage

Consider a function f(z)=zsinz(zπ)2 of a complex variable z .

Question number: 269 (1 of 2 Based on Passage) Show Passage

» Mathematical Physics » Elements of Complex Analysis » Residue Theorem and Applications

Appeared in Year: 2011

MCQ▾

Question

Consider a counterclockwise circular contour z=1 about the origin. The integral f(z)dz over this contour is –

Choices

Choice (4) Response

a.

iπ

b.

iπ

c.

zero

d.

2iπ

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