CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 83  86 of 463
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Question number: 83
» Mathematical Methods of Physics » Taylor & Laurent Series
Appeared in Year: 2012
Question
The first few terms in the Laurent series for in the region , and around is, (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 84
» Electronics and Experimental Methods » Frequency Dependence
Appeared in Year: 2014
Question
An RC network produces a phase – shift of 30^{0}. How many such RC networks should be cascaded together and connected to a Common Emitter amplifier so that the final circuit behaves as an oscillator? (June)
Choices
Choice (4)  Response  

a.  12 

b.  9 

c.  6 

d.  3 

Question number: 85
» Quantum Mechanics » SpinOrbit Coupling
Appeared in Year: 2012
Question
The minimum energy of a collection of 6 non – interacting electrons of spin and mass placed in a one dimensional infinite square well potential of width L is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 86
» Electronics and Experimental Methods » Device Characteristics
Appeared in Year: 2014
Question
A current flows through the primary coil of a transformer. The graph of as a function of time is shown in the figure below.
Which of the following graphs represents the current in the secondary coil? (June)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
