Electrical Circuits

The main difference between primary batteries and secondary batteries is the ease with which secondary batteries can be … Read More

The current flowing through a resistor is determined by Ohm’s Law for any instant of time: I = … Read More

Here are some of the terms used to describe alternating waveforms: 1. A ‘periodic function’ is an alternating … Read More

A voltaic cell consists basically of two different metal plates immersed in an acid solution. The action of … Read More

Electromagnets can be made much more powerful than permanent magnets. In addition, the strength of the electromagnet can … Read More

Whenever electrons flow through a conductor, a magnetic field is created around the conductor. This important relationship between … Read More

Metric Prefixes Most often measurements made on electric circuits are that of current, voltage, resistance, and power. The … Read More

Current Electricity Current electricity is defined as an electric charge in motion. Current flow consists of a flow of … Read More

Static electricity is the accumulation of electric charges on the surface of a material, usually an insulator or … Read More

Direct current flows in only one direction. Alternating current changes its direction of flow at times in the … Read More

Power in an electric circuit is equal to the product of the voltage and the current. To devise … Read More

Electric Current, voltage, and resistance are three of the fundamental electrical properties. Stated simply, • current: is the … Read More

Electrical and electronic systems contain circuits. Loosely defined, a Circuit is a group of components that performs a … Read More

One of the most common components encountered in the study of electronics is the resistor. The resistor is … Read More