The process of measuring and control of desired quantity collectively is called as

In ____________ we can control the desired quantity of our process

In ___________ we can also record the data of the variables we have measured.

A__________ is a device to measure a physical variable.

There are ________ no of types of Instruments.

The instrument which gives us directly the magnitude of pysical quantity to be measured.

Galvanometer is a example of which type of Instrument.

In _____________ instruments the quantity to be measured is obtained by using graduated scales.

In __________ type of Instruments the instruments are pre calibrated.

There are __________ types of Secondary Instruments