LT 16 Flashcards
1
Q
How is resistance in a wire created?
A
By free electrons colliding
2
Q
4 Factors Affecting Resistance are?:
A
• Natural Resistance of the material used as a conductor…for example the element of copper will have a specific resistance
• Length of Wire
• Cross-sectional area of the wire
Temperature
3
Q
What conductor has the lowest resistance?
A
Silver
4
Q
What is aluminum’s resistivity
A
17
5
Q
What is coppers resistivity
A
10.4
6
Q
What is coppers temp coefficient?
A
0.00393
7
Q
For every degree that the temperature rises above 20, copper’s resistance goes up by ______%
A
0.393
