TD ohms Law AC3 Flashcards
1
Q
How is a current measured
A
Amps
2
Q
How is resistance measured
A
Ohms
3
Q
How is voltage measured
A
Volts
4
Q
Current function in a circuit
A
The flow of electrons around the circuit, from + to – via the easiest way around the circuit.
5
Q
Resistance function in the circuit
A
The slowing force caused by components, results in excess heat in the circuit
6
Q
Voltage function in circuit
A
The pushing force provided by the power supply
7
Q
What letter represents current
A
i
8
Q
What letter represents resistance
A
R
9
Q
What letter represents voltage
A
V
10
Q
How does the power triangle work?
A
To find a value for V multiply R and i
To find a value for R divide V by i
To find a value for i divide V by R
V must always be on top
