Discussion :: Measurements and Instrumentation
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Assertion (A): In a CRT, grid is kept at negative potential with respect to cathode.
Reason (R): The function of grid in an electronic tube is to control the number of electrons.
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A.
Both A and R are true and R is correct explanation of A
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B.
Both A and R are true but R is not correct explanation of A
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C.
A is true R is false
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D.
A is false R is true
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Answer : Option A
Explanation :
No answer description available for this question.
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