What is superconductivity? As we know resistivity of the materials increases with the increase in temperature. And it decreases with the decrease in temperature. At...
What is the Resistivity: Resistance is the property of the conductor to oppose the electric current to flow through it. when the electromotive force...
Conducting materials are widely used in electrical and electronics components. According to the properties of the conducting materials, a cost may be changed....
What is Electron Emission? In an evacuated space many electronics devices depend on the movement of electrons for their operation. To satisfy this purpose...
What is voltage Source? A device which produces a voltage output continuously is known as a voltage source. There are two types of voltage source...