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The question has statement - 1 and stat...

The question has statement - 1 and statement - 2 Of the four choices given after the statements , choose the one that best describes the two statements
statement - 1 : Sky wave signals are used for long distance radio communication . These signals are in generel , less stable then ground wave signals
statement - 2 : The state of inosphere varies from to hour day and season to season .

A

Statement-1 is true, Statement-2 is true and Statement-2 is not the correct explanation of Statement-1

B

Statement-1 is false, Statement-2 is true

C

Statement-1 is true, Statement-2 is false

D

Statement-1 is true, Statement-2 is true , Statement-2 is not correct explanation of Statement-1.

Text Solution

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The correct Answer is:
A
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ALLEN-SEMICONDUCTORS-Part-3(Exercise-4)
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  2. The combination of gates shown below yields :-

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  6. Truth table for system of four NAND gates as shown in figure is : .

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  14. Choose the correct statement.

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  16. if a,b,c,dare inputs to a gate and x is its output , then as per the f...

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