|
1
|
|
|
|
Introduction
|
|
|
23 位听众
|
|
2
|
|
|
|
Intro
|
|
|
14 位听众
|
|
3
|
|
|
|
Resistance
|
|
|
12 位听众
|
|
4
|
|
|
|
Summary
|
|
|
10 位听众
|
|
5
|
|
|
|
Potential Difference
|
|
|
10 位听众
|
|
不想看到广告？马上升级
|
|
6
|
|
|
|
Example
|
|
|
8 位听众
|
|
7
|
|
|
|
Examples
|
|
|
7 位听众
|
|
8
|
|
|
|
Current Potential Difference
|
|
|
7 位听众
|
|
9
|
|
|
|
Parallel circuits
|
|
|
7 位听众
|
|
10
|
|
|
|
Filament Lamps Diodes
|
|
|
7 位听众
|
|
11
|
|
|
|
How Convection Works
|
|
|
7 位听众
|
|
12
|
|
|
|
Isotopes
|
|
|
7 位听众
|
|
13
|
|
|
|
Collection of Matter
|
|
|
6 位听众
|
|
14
|
|
|
|
Magnetic field
|
|
|
6 位听众
|
|
15
|
|
|
|
Conduction and Convection
|
|
|
6 位听众
|
|
16
|
|
|
|
Conduction
|
|
|
6 位听众
|
|
17
|
|
|
|
Electromagnet
|
|
|
6 位听众
|
|
18
|
|
|
|
Charge, Current & Time #16
|
|
|
6 位听众
|
|
19
|
|
|
|
Terminal Velocity #55
|
|
|
6 位听众
|
|
20
|
|
|
|
Motor Effect
|
|
|
5 位听众
|
|
21
|
|
|
|
Key Terms
|
|
|
5 位听众
|
|
22
|
|
|
|
Practice
|
|
|
5 位听众
|
|
23
|
|
|
|
Energy Stores
|
|
|
5 位听众
|
|
24
|
|
|
|
Conduction, Convection and Radiation #5
|
|
|
5 位听众
|
|
25
|
|
|
|
Waves
|
|
|
5 位听众
|
|
不想看到广告？马上升级
|
|
26
|
|
|
|
In Action
|
|
|
5 位听众
|
|
27
|
|
|
|
Newtons First Law
|
|
|
5 位听众
|
|
28
|
|
|
|
Kinetic Energy #2
|
|
|
5 位听众
|
|
29
|
|
|
|
Elasticity, spring constant, and Hooke's Law #44
|
|
|
5 位听众
|
|
30
|
|
|
|
Resultant Forces & Free Body Diagrams #42
|
|
|
5 位听众
|
|
31
|
|
|
|
How to increase electromagnet strength
|
|
|
5 位听众
|
|
32
|
|
|
|
Convection
|
|
|
5 位听众
|
|
33
|
|
|
|
Alpha Radiation
|
|
|
5 位听众
|
|
34
|
|
|
|
Fuses
|
|
|
4 位听众
|
|
35
|
|
|
|
Specific Heat Capacity
|
|
|
4 位听众
|
|
36
|
|
|
|
Weight
|
|
|
4 位听众
|
|
37
|
|
|
|
Expanding Containers
|
|
|
4 位听众
|
|
38
|
|
|
|
Plug Wiring Rap
|
|
|
4 位听众
|
|
39
|
|
|
|
Resistors
|
|
|
4 位听众
|
|
40
|
|
|
|
Time Period
|
|
|
4 位听众
|
|
41
|
|
|
|
Wave Speed
|
|
|
4 位听众
|
|
42
|
|
|
|
Gamma Radiation
|
|
|
4 位听众
|
|
43
|
|
|
|
Internal Energy
|
|
|
4 位听众
|
|
44
|
|
|
|
Newtons Second Law
|
|
|
4 位听众
|
|
45
|
|
|
|
Current flows
|
|
|
3 位听众
|
|
|
|
46
|
|
|
|
Changing the size of the potential difference
|
|
|
3 位听众
|
|
47
|
|
|
|
What Are Magnets? How to Draw Magnetic Field Lines #76
|
|
|
3 位听众
|
|
48
|
|
|
|
Calculating a moment
|
|
|
3 位听众
|
|
49
|
|
|
|
Energy Sources
|
|
|
3 位听众
|
|
50
|
|
|
|
Symbols
|
|
|
3 位听众
|
