## Very Simple Topic on Digital Multi – Meter (DMM)

In this tutorial, we are going to learn about Very Simple Topic on Digital Multi – Meter (DMM) Digital Multi – Meter (DMM) – Digital multi – meters provide a convenient means of making rapid and accurate measurements of voltage, resistance and current. The accuracy of the multi – meter depends on the accuracy of … Read more

## What is Measurement and Error?

In this tutorial, we are going to learn about what is Measurement and Error? Measurement consists of an act or result of comparison between the unknown quantity and a predefined standard. The result in expressed in numerical values with a unit which identifies the characteristic or property measured for example elongation in measure in unit … Read more

## Best Tutorial on Galvanometer

In this tutorial, we are going to learn about Galvanometer Measurement of current voltage power and impedance are carried out by use of ammeters, voltmeters, watt meters, and impedance meters resp. These are all electrical quantities. They can be measured using electrical meters or electronic instruments. Ammeters and voltmeters basically measure current and express the … Read more

## What is Potentiometer?

In this tutorial, we are going to learn about Potentiometer. Potentiometer – Constructional Petails Slide wire= platinum – silver alloy. Slide wire contact= copper- gold silver alloy. Resistors =magnetic material high stability    The principle of an ac potentiometer and dc Potentiometer are identical. The main difference between ac and DC potentiometers is that in … Read more

## Best Tutorial on Measuring Instruments

In this tutorial we are going to learn about measuring instruments. How to measure voltage? Voltage is measure by Voltmeter. How to use Voltmeter in circuit? Answer – It is use parallel in circuit. How to measure current? Answer – Current is measure by Ammeter. How to use Ammeter in circuit? Answer – It is … Read more

## What is LCR Meter & Its Working?

In this tutorial we are going to learn about what is LCR Meter & Its Working? LCR Meter: LCR meter is an instrument which measures resistance, inductance as well as capacitance. The main component of LCR meter is the Wheatstone bridge   And RC ratio arm circuits. The component whose value is to be measured is … Read more

## What is Megger & Its Operation?

In this tutorial we are going to learn about what is Megger & Its Operation? Megger : – Resistance of the order of 0.1 Mῼ and upwards are classified as high resistances these high resistances are measured by portable , instrument known as Megger it is also used for testing the insulation resistance of cables … Read more

## What is Digital Multi Meter & Uses?

In this tutorial we are going to learn about Explain about Digital Multi meter Digital multi meter is an instrument which measures A.C.  And D.C. voltages A.C. and D.C. currents and D.C. currents and resistance over a wide range.         Digital Multi meter – It Indicates that the device has a digital                     It  indicates … Read more