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

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