The characteristic of a material to resist the flow of current through it, is known as resistance. When any element is subjected to an electrical potential difference or a voltage […]

Resitivity which is also known as Coefficient of Resistance is a property in a substances which causes an opposition to current flow within that substance. This can be easily calculated […]

From our earlier discussions we have understood that electrical resistance of all elements changes in response to the variations in its temperature. Temperature coefficient of resistance is defined as the […]

Several electrical resistances could be hooked up both in series or in parallel, likewise, in excess of 2 resistances may also be joined in groups of series and parallel each. […]

You may come across a number of voltage sources and also current sources in our day to day life. Batteries, DC generator or alternator etc, each one is quite normal […]

In the field of instrumentation we find DC supply being utilized for implementing analog representation of specific physical quantities such as weight, pressure, motion etc. The reason being DC signals […]