Chapter 8 Flashcards
1
Q
What is electric charge?
A
It’s a physical property and can be positive and negative. Objects with charge interact and exert forces on each other.
2
Q
What is the elementary charge?
A
1.6*10^-19
3
Q
Net charge equation
A
Q=±ne
4
Q
What is current?
A
Flow of charged particles
5
Q
What is conventional current?
A
Current flows from positive to negative terminal
6
Q
What is Kirchhoff’s first law?
A
Sum of the current into a point equals to the sum of the current out of that point
7
Q
What is the conversation of charge?
A
Charge can neither be created or destroyed
8
Q
Equation for electric current
A
I=Anev
9
Q
How does the cross-sectional area affect the drift velocity?
A
Lower cross-sectional area means higher velocity
