FAQs
Frequently Asked Questions
What is Voltage? (Electromotive Force or emf)
Electromotive force (emf)] is the electrical energy produced by a non-electrical source. It is created by converting other forms of energy into electrical energy, such as batteries (which convert chemical energy) or generators (which convert mechanical energy). It is more commonly referred to as voltage.
What is a Volt?
What is Current?
What is an Amp or Ampere?
What is a Watt?
What is DC?
What is AC?
What is a Variable DC Power Supply (or DC Source)?
What is a Variable DC Load?
What is an AC Source?
How is AC Voltage Measured?
What are Amps?
What is RMS?