Download Area of study 1: Electric power (Week 1 – 3)

 EDU4PTM Area of study 1: Electric power (Week 1 – 3)
[Outcome 2: To explain both the operation of electric motors, generators & alternators and the generation, transmission, distribution & use of electric power] Week
Number
Lesson
Number
Topic of the lesson
Practical activities, demonstrations and
animations
Classwork (Heinemann
Physics 12)
Simple magnetism, magnetic fields
Animations:
Bar Magnet - Magnetic Field Demonstrator
Bar Magnet – Modeling Earth's magnetic field
Review exercise – 9.1
(Page 331 - 332)
2
Fundamentals of Electric current (nature, types, principles)
Conventional flow / Electron flow, Wet and dry batteries
PowerPoint Presentation:
Flow of electrons, their direction of flow, batteries
Detailed lesson for entire
session, Exercise – 9.1
3
Electric current and magnetic fields around conducting wires, Animations:
right-hand grip rule
Hans Christian Oersted’s Experiment
Review exercise – 9.2
(Page 335 - 336)
4
Test and review exercises
Multiple choice questions, Short answer type
questions
Revision Test for entire
session
Magnetic field strength, Measurements, Right hand slap rule
PowerPoint Presentation:
Measurement of magnetic fields with units
Review exercise – 9.3
(Page 339 - 340)
6
Solenoid, Electromagnets and their fields
Animations:
Solenoids-Magnetic field around
Application of electromagnetic forces
Review exercise – 9.4
(Page 344 - 345)
7
Forces on moving charges
Animations:
Aurora Australis Borealis
Review exercise – 9.5
(Page 349 - 350)
8
Practical activities – Experiment
Practicals:
Plot magnetic field around magnet and solenoid
Practical report writing
Electric motors, modelled as a simple loop in a magnetic
field; turning effect
PowerPoint Presentation:
DC motors – by Mukesh Soni
Review exercise – 9.6
(Page 354 - 355)
10
Electromagnetic induction; flux; induced current and change
in flux
Animations:
Faraday’s experiment
Review exercise – 10.1
(Page 361 - 362)
11
Faraday’s law; generating an EMF
PowerPoint Presentation:
Faraday’s law, EMF and its formulation
Review exercise – 10.2
(Page 366 - 367)
12
Test and review exercises
Multiple choice, Short answer type questions
Revision Test
Week 1 1
Week 2 5
Week 3 9
Mukesh Soni (Student ID: 18052187) Page 6 of 45 EDU4PTM Area of study 1: Electric power (Week 4 – 8)
[Outcome 2: To explain both the operation of electric motors, generators & alternators and the generation, transmission, distribution & use of electric power] Week 4 13
Faraday’s law, further explanation and examples
Animation: Electromagnetic induction
Exercise–10.2 (366 - 367)
14
Lenz’s law; the direction of an induced EMF
PowerPoint: Lenz’s Law, its direction
Exercise–10.3 (371 - 372)
15
Lenz’s law: further explanations
Animation: Magnets in Aluminium, copper tube
Exercise–10.3 (371 - 372)
16
Test and review exercises
Multiple choice, Short answer type questions
Revision Test
Electric power generators, flux and EMF
Animation: Current from an electric motor
Exercise–10.4 (377)
18
Alternating voltage and current; DC equivalency; VRMS and
Vpeak; IRMS and Ipeak
PowerPoint: AC and DC currents
Exercise–10.5 (380 - 381)
19
Large scale electricity generation, three phase power
Powerpoint: Single and Three phase power
Exercise–10.5 (380 - 381)
20
Practical activities – Experiment
Practicals:
Practical report writing
Transmission of power
Powerpoint: Transmission of electrical energy
Exercise–10.6 (385)
22
Transformers; ratios in ideal transformers; their functioning
Powerpoint: Transformer operation
Exercise–10.6 (385)
23
Transformers: Design exercises
Powerpoint: Numerical solutions to few problems Whiteboard questions
24
Practical activities – Experiment
Practicals: Transformer & their design
Practical report writing
Power use in cities; the kilowatt hour; patterns of use, peak
and base loads
Powerpoint: Calculating power usage
Exercise–10.7 (392 - 393)
26
Modelling power transmission, load curves
Powerpoint: Modelling power parameters
Exercise–10.7 (392 - 393)
27
Household wiring, safety aspects
Powerpoint: Safety in electricity
28
Test and review exercises
Multiple choice, Short answer type questions
Chapter Review –
(394 396)
Revision Test
SAC – Electric Power (2 Sessions – 100 mins)
SAC – Electric Power
SAC – Electric Power
ASSESSMENT OF OUTCOME 2 (2 sessions – 100 mins)
Multiple choice, Short answer type and long
answer type questions
TEST (90 mins)
Week 5 17
Week 6 21
Week 7 25
Week 8 29
30
Mukesh Soni (Student ID: 18052187) Page 7 of 45