1.

What are three types of secondary instruments?

Answer»

The three types of secondary instruments are, 

a. Indicating type: It only indicates the electrical quantity measured. Example: Ammeter, Voltmeter, Frequency meter etc.

b. Integrating type: It integrates (sums up) the quantity being measured. Example: Energy meter. 

c. Recording meter: It records as well as indicates the electrical quantity being measured. Example: 3 pen graphical recorder.



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