CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 86  87 of 463
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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. 

Question number: 87
» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions
Appeared in Year: 2014
Question
Two independent random variables m and n, which can take the integer values , follow the Poisson distribution, with distinct mean values and respectively. Then, (December)
Choices
Choice (4)  Response  

a.  The probability distribution of the random variable is a binomial distribution. 

b.  The variance of the random variable is equal to. 

c.  The probability distribution of the random variable is also a Poisson distribution. 

d.  The mean value of the random variable is equal to 0. 
