Friday, 14 October 2011

Basic Electrical Concepts: Current, voltage, resistance, power and Ohm's Law

This is about the electrical concept which is used while learning Hardware.

Current: It is the flow of electrons. It is measured in Ampere. It is denoted by I.

Resistance: It is the ability to oppose the flow of current. It is measured in Ohms. It is denoted by R.

Voltage: It is the potential difference between two points. It is measured in Volt. It is denoted by V.

Power: It is the product of Voltage and current. It is measured in Watt. It is denoted by P.

Ohms' Law: V= I X R, Where r is constant.

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