Learn the basics: current, electron flow, closed circuit, open circuit, ammeter, terminal voltage, connected in parallel, connected in series, current passes through R, voltage across R... etc
Short Circuit, Potential Divider & Resistor Network
Preparation - Chapter 2.1a, Chapter 2.1b
Participation - Assignment P.60 Q4-9
Presentation - Blackboard, Student's Work
Possession
> Current is the RATE of flow of electric charges, i.e. I = Q/t
> Electric current flows from positive to negative terminal of a source IN THE EXTERNAL CIRCUIT.
> Electric current flows from negative to positive terminal of a source INSIDE the source.
> Ammeters are connected in series, it measures current PASSING THROUGH the ammeter. On the other hand, voltmeters are connected in parallel, it measures the voltage ACROSS the voltmeter.
> Current does not change after passing through an ammeter.
> In a junction, current does not change, current in the main circuit equals the sum of currents in all parallel branches.
Chapter 2.1
Chapter 2.1a (5:29) 147
Chapter 2.1b (1:51) 97
Preparation - Chapter 2.2a, Chpater 2.2b
Participation - Assignment P.69 6-13
Presentation - Blackboard, Student's Work
Possession
> The potential (or simply voltage) decreases from the positive terminal to the negative terminal along the external circuit.
> Voltage is the change in electrical energy per unit charge. For example, 1.5V battery gives 1.5J of energy to 1C of charge.
> ...
Chapter 2.2a (6:26) 213
Chapter 2.2 (6:09) 165
Preparation - Chapter 2.3a, Chpater 2.3b, Chapter 2.3c, Chapter 2.3d
Participation - Assignment P.82 Q5, 6, 8 and P.114 Q22, 28, 37
Presentation - Blackboard, Student's Work
Possession
> ...
Chapter 2.3 (4:49) 130
Chapter 2.3b (3:07) 110
Chapter 2.3c (6:40) 110
Chapter 2.3d (2:17) 97
Preparation - Chapter 2.4a, Chapter 2.4b, Chapter 2.4c
Participation - Assignment P.95 10-12, 9 and P.117 Q36
Presentation - Blackboard, Student's Work
Possession
> ...
Chapter 2.4a (3:42) 163
Chapter 2.4b (2:41) 127
Chapter 2.4c (2:51) 129
Preparation - Chapter 2.5a, Chapter 2.5b, Chapter 2.5c
Participation - Assignment P.106 Q4, 5c, 7 6 and P.115 Q29, 32, 34, 40
Presentation - Blackboard, Student's Work
Possession
> ...
Chapter 2.5a (7:04) 105
Chapter 2.5b (4:05) 96
Chapter 2.5c (1:23) 86
REVISION VIDEO - Chapter 2
Watch Revision Video in YOUTUBE (16:54) 307
NEXT Chapter >>