Current is the flow of electrons that pass through two voltages at different points. Voltage is the electric potential between two different points.

Iron is a chemical element that is found in abundance in the Earth’s crust. Steel is an alloy, meaning it is a mixture of two of more metallic elements or one metallic and nonmetallic element.

Direct Current (DC) means that power in flows in one direction. In Direct Current, the flow of electrons is in a constant direction without changing at intervals and is accomplished by placing steady magnets...

Amplitude Modulation (AM) transmits sound by changing the signal strength. Frequency Modulation (FM) transmits sound by changing the frequency of the signal.

Aluminum is an element that is found in the Earth’s crust. Aluminum is soft, durable, lightweight, non-magnetic and ductile in nature and because it is highly reactive in pure form, it is combined with over...