1.

What are the advantages of resistance potentiometer?1. They are inexpensive2. They are useful for measurement of large amplitudes of displacement3. Their electrical efficiency is very high and they provide sufficient output to permit control operations without further amplification

A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3
Answer» E.


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