Current Voltage Characteristics Flashcards
1
Q
What is electric current
A
rate of flow of charge
2
Q
What is electric current derived from (equation)
A
I = Q/t
3
Q
What is potential difference
A
work done per unit charge
4
Q
What is potential difference dervied from (equation)
A
V = W/Q
5
Q
What is the equation for resistance
A
R = V/I
6
Q
What is ohms law
A
I is directly proportional to V under constant physical conditions
7
Q
What are the current voltage characteristics for an ohmic conductor
A
Straight line through origin
8
Q
What are the current voltage characteristics for a diode
A
Limited on one side and goes up - hockey puck
9
Q
What are the current voltage characteristics for a filament bulb
A
as voltage increase current increase but at a decreasing rate
