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Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 3 (Q.No. 48)
Measurements and Instrumentation
48.
Which of the following instruments can be used for dc as well ac upto a few MHz?
  1. Moving iron instrument
  2. Thermocouple instrument
  3. Induction instrument
  4. Moving coil instrument
Select the correct answer as per following codes
2 only
2 and 3 only
1, 2 and 3 only
2 and 4 only
Answer: Option
Explanation:

Thermocouple instrument is based on heating effect and can be used for very high frequencies also.

Discussion:
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