1/31
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
Ampere
named after Andre Marie Ampere
Andre Marie Ampere
Isaac newton of electricity
Conventional current
from positive to negative terminal
Direct Current
one way
Alternating Current
charging every 16 seconds
Current Density (J)
proportional to electric negativity
Resistance (R)
emepedes the flow of current
Ohm
unim of resitance
named after George Simon Ohm
Electric conductivity
relative to current density and field
Resistor
restrict the flow of current
Potentiometer
3 terminal Variable resistor
Black
0
Brown
1
Red
2
Orange
3
Yellow
4
Green
5
Blue
6
Violet
7
Gray
8
White
9
Factors affecting Resistance of wore
Cross sectional Area (A)
length
Cross sectional Area
Greater the CSA, the lesser the resistance
Longer
longer the wire the higher the resistance
Vesistivity
material of wire
Conductor
small resistance
insulator
big resistance
insulator
decrease temperature
conductor
increase temperature
8