Electical current Flashcards
1
Q
What is current
A
The rate that electric charge moves through a connductor
2
Q
Unit for current?
A
Amp (A)
3
Q
What is voltage
A
the pressure from a battery that pushes electrons
4
Q
unit for voltage?
A
Volts (V)
5
Q
What is resistance
A
the opposition to the flow of current caused by friction
6
Q
Unit for resistanc e
A
Ohms
7
Q
What is the equation for Ohms law
A
V=IR voltage= current x resistance