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Which of the following statements are correct with reference to superheterodyne receivers? (i) The main advantage of the superheterodyne receiver is its better tracking (ii) The main advantage of the superheterodyne receiver is an improvement in sensitivity (iii) The image channel rejection in superheterodyne receiver comes from IF stages only (iv) The image channel rejection in the superheterodyne receiver comes from the RF stage only Choose the correct answer from the code given below:
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the fouralternatives.
Job performance is ______ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship
between motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be. However, increasing motivation
beyond an ______ level tends to ______ a dysfunctional result because it is ______ by an increased level of anxiety.
motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be.
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
If a receiver has a poor capacity of blocking adjacent channel interference then the receiver has ________
If ‘Aman’ means ‘45’, ‘run’ means ‘5’, ‘faster’ means ‘×’, ‘but’ means ‘29‘, ‘Raja’ means ‘-’, ‘can’ means ‘÷’, ‘reach’ means ‘62’ and ‘than’ means ‘16’ then what is the value of: ‘Aman can run faster than Raja but Raja reach + 1’
Sana wanted to compare her students' performance after completion of present term with respect to Historical understanding. After analysing their documents related to history activities and assignments and their records of class work, she found that Ashu's performance level is higher during the term than that of Beena. Karim's performance is lower than that of Dharm. Beena's performance is of lower level than Karim's and Ashu's performance level is higher than Mike. Which of the following statement based on above information is incorrect? 
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the fouralternatives. Job performance is ______ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship
between motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be. However, increasing motivation
beyond an ______ level tends to ______ a dysfunctional result because it is ______ by an increased level of anxiety.
Job performance is ______ by a number of factors. Motivation alone
There are four friends Sharayn, Pinky, Tanisha and Mamta. Two study in J college. one each in X college and A college. Each one is definitely good at one subject and one is good at all the subjects. The subjects are English, Science, Maths and Computers. Of those studying in J college, one is good at Maths and the other in all subjects. Tanisha is studying in Acollege. Pinky is good at Maths. Sharayn is not good at Science. Find who is good at all the subjects.
Good 'Y' is the substitute for good 'X' if
1. A fall in the price of good X leads to the fall in the marginal utility of good Y.
2. A fall in the price of good X leads to the fall in the quantity purchased of good Y. Select the correct answer
A receiver is operated at a temperature of 300 K. The transistor used in the receiver have an average output resistance of 1 k. The Johnson noise voltage for a receiver with a bandwidth of 200 kHz is