CSIR Physical Sciences: Questions 22 - 24 of 401

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Question number: 22

» Mathematical Methods of Physics » Elements of Complex Analysis

Appeared in Year: 2013

MCQ▾

Question

Which of the following functions cannot be the real part of a complex analytic function of z=x+iy ? (December)

Choices

Choice (4) Response

a.

3x2yyy3

b.

x2y

c.

x33xy2

d.

x2y2

Question number: 23

» Electronics and Experimental Methods » Device Characteristics

Appeared in Year: 2013

MCQ▾

Question

A silicon transistor with built-in voltage 0.7 V is used in the circuit shown, with VBB=9.7V,RB=300kΩ,VCC=12V and RC=2kΩ . Which of the following figures correctly represents the load line and the quiescent Q point? (June)

A silicon transistor

A Silicon Transistor

In figure a silicon transistor with built in voltage 0.7 V is shown

Choices

Choice (4) Response

a.

 Output characteristic: Choice A

Output Characteristic: Choice a

In figure out characteristic with DC load line

b.

 Output characteristic: Choice B

Output Characteristic: Choice B

In figure out characteristic with DC load line

c.

 Output characteristic: Choice C

Output Characteristic: Choice C

In figure out characteristic with DC load line

d.

Output characteristic: Choice D

Output Characteristic: Choice D

In figure out characteristic with DC load line

Question number: 24

» Mathematical Methods of Physics » Elementary Probability Theory

Appeared in Year: 2013

MCQ▾

Question

A loaded dice has the probabilities 121,221,321,421,521and621 of turning up 1, 2, 3, 4, 5, and 6 respectively. If it is thrown twice, what is the probability that the sum of the numbers that turn up in even? (December)

Choices

Choice (4) Response

a.

225441

b.

221441

c.

144441

d.

220441

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