CSIR Physical Sciences: Questions 76 - 79 of 389

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Question number: 76

» Electronics and Experimental Methods » Amplification » Op-Amp Based

Appeared in Year: 2012

MCQ▾

Question

In the op – amp circuit shown in the figure, Vi is a sinusoidal input signal of frequency 10 Hz and V0 is the output signal.

The circuit of an Op -Amp

The Circuit of an Op -Amp

In figure an op – amp circuit is shown. V1 is a sinusoidal input signal of frequency 10 Hz and V0 is the output signal.

The magnitude of the gain and the phase shift, respectively, close to the values – (December)

Choices

Choice (4) Response
a.

52andπ2

b.

10andzero

c.

10andπ

d.

52andπ2

Question number: 77

» Mathematical Methods of Physics » Eigenvalues and Eigenvectors

Appeared in Year: 2012

MCQ▾

Question

The eigenvalue of the matrix A=(123246369) are, (June)

Choices

Choice (4) Response
a.

(0, 1,13)

b.

(0, 7,7)

c.

(0, 0,14)

d.

(1, 4,9)

Question number: 78

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2012

MCQ▾

Question

Let ΔW be the work done in a quasistatic reversible thermodynamic process. Which of the following statement about ΔW is correct? (December)

Choices

Choice (4) Response
a.

ΔW is a perfect differential if the process is adiabatic

b.

ΔW is always a perfect differential

c.

ΔW cannot be a perfect differential

d.

ΔW is a perfect differential if the process is isothermal

Question number: 79

» Mathematical Methods of Physics » Elementary Probability Theory

Appeared in Year: 2012

MCQ▾

Question

A ball is picked at random from one of two boxes that contain 2 black, 3 white and 4 white, 3 black balls respectively. What is the probability that it is white? (June)

Choices

Choice (4) Response
a.

3670

b.

3470

c.

2970

d.

4170

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