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Verbal Reasoning
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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Electronics and Communication Engineering
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Measurements and Instrumentation
A moving iron instrument gives correct reading when used at
low frequencies
high frequencies
only one frequency
all frequencies upto a certain value
Show Answer
Correct Answer:
only one frequency
Explanation:
If frequency changes reactance of coil changes and reading is affected.
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