Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 6 (Q.No. 23)
23.
A permanent magnet moving coil meter can be used as
ac only
dc only
both ac and dc
low frequency ac and dc
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 1 of 2.

Matiullah said:   10 months ago
I think Option B is the correct answer.

S prabhakar said:   1 year ago
Permanent Magnet Moving Coil (PMMC) is only used for DC measurements, Moving Iron (MI) type instruments can be used for both AC & DC measurements.

Rectifier-type instruments are used for both AC & DC measurements. Induction-type instruments are only used for AC measurements.

Ppkn said:   2 years ago
I think B is the correct answer.

Ppdcet said:   4 years ago
I too agree, The correct answer must be B.
(1)

PPDV said:   5 years ago
I too agree, The correct answer must be B.

PPDV said:   5 years ago
Yes, B is the answer. I too agree.

Abhishek said:   6 years ago
Place only use for DC, not for ac.

Parashu said:   7 years ago
The correct answer must be B.

Rrrammu said:   8 years ago
It must be B.

Pkn said:   8 years ago
Yes, B is the answer.


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