Basic Electrical Concepts Flashcards
(5 cards)
1
Q
What is electric current?
A
The flow of electric charge through a conductor, measured in amperes (A).
2
Q
What is voltage?
A
The electric potential difference that pushes current around a circuit, measured in volts (V).
3
Q
What is resistance?
A
A measure of how much a component opposes the flow of current, measured in ohms (Ω).
4
Q
What is power in an electrical circuit?
A
The rate at which electrical energy is transferred or used, measured in watts (W).
5
Q
What do the symbols
I
V
R
and
P stand 4
A
Current:
𝐼
I, Amperes (A)
Voltage:
𝑉
V, Volts (V)
Resistance:
𝑅
R, Ohms (Ω)
Power:
𝑃
P, Watts (W)
