Principles of Electricity Flashcards
1
Q
What is voltage? (V)
A
The unit for electromotive force. The higher the voltage the greater the force is to cause electrons to flow along the conductor.
2
Q
What is current? (I)
A
The ampere is the unit of current, and can be defined as the unit of quantity or volume passing down a conductor.
3
Q
What is resistance? (R)
A
The ohm (Ω) is the unit of resistance, which opposes the flow of current.
4
Q
What are Watts? (W)
A
It is the unit of power for an appliance. Power is used to make an appliance work; as some power is absorbed, an appliance is never 100% efficient.
