3.6 Electrical Systems notes (NCEA Level 3 Physics)

Описание: Energy in a capacitor example: missing a 1/2 on the 2nd line of working.

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Previous version:    • [UPDATED VIDEO IN DESCRIPTION] 3.6 Electri...  

0:00 Introduction
0:10 Direct current
2:39 Voltage
3:29 Ohm’s law
4:57 DEMONSTRATION: Thermal expansion
5:24 Equivalent resistance
7:20 DEMONSTRATION: Lamp circuits
8:36 Internal resistance
11:49 Kirchoff’s current law
12:29 DEMONSTRATION: Kirchoff’s current law
12:56 Kirchoff’s voltage law
16:10 DEMONSTRATION: Kirchoff’s voltage law
17:13 Capacitors
19:09 DEMONSTRATION: Ultra capacitor
19:38 Dielectrics in capacitors
23:41 DEMONSTRATION: Capacitor dissection
24:25 Charging and discharging capacitors
29:59 Energy in a capacitor
31:52 Capacitors in circuits
32:25 DEMONSTRATION: Capacitors in circuits
33:26 Magnetic flux
34:23 Faraday’s law
37:32 DEMONSTRATION: The Coherer effect
38:43 Lenz’s law
40:48 DEMONSTRATION: St Louis motor
41:30 DEMONSTRATION: Inductive braking
42:31 Self inductance
43:30 Inductors
44:55 Inductor factors
45:43 Inductor energy
46:12 DEMONSTRATION: Solenoid resonance
46:50 Inductor time constant
49:04 Transformers
52:00 Transformer efficiency
52:33 DEMONSTRATION: Transformer efficiency
53:42 DEMONSTRATION: Jacob’s ladder
54:23 AC circuits
56:32 RMS
57:34 LCR circuits
1:00:42 Phase in an LCR
1:04:03 Reactance
1:06:08 Impedance
1:07:11 DEMONSTRATION: Contactless payments
1:08:11 LCR resonance
1:11:50 DEMONSTRATION: LCR resonance