# DC Circuits Week 1

I think art is not an ornament or refinement at the fringes of human intelligence, I think it’s at the center. It’s at the core. Robert Pinsky

#### Each Week the work delivered is in keeping with the syllabus from training.gov.au and either at the front of the week of delivery there will be a list of the topics to be covered and or a link to a lesson plan showing the relevant topics.

The first couple of weeks cover these topics as shown below.  These topics are taken from Training.gov.au … there is a link to this on the home page of our web site. Training.gov is the official site for maintaining the Australian training packages and all training organisations must follow the criteria as specified.

T1 Basic electrical concepts encompassing:

• electrotechnology industry
• static and current electricity
• production of electricity by renewable and non renewable energy sources
• transportation of electricity from the source to the load via the transmission and distribution systems
• utilisation of electricity by the various loads
• basic calculations involving quantity of electricity, velocity and speed with relationship to the generation and transportation of electricity.

T2 Basic electrical circuit encompassing:

• symbols used to represent an electrical energy source, a load, a switch and a circuit protection device in a circuit diagram
• purpose of each component in the circuit
• effects of an open-circuit, a closed-circuit and a short-circuit
• multiple and sub-multiple units

T3 Ohm’s Law encompassing:

• basic d.c. single path circuit.
• voltage and currents levels in a basic d.c. single path circuit.
• effects of an open-circuit, a closed-circuit and a short-circuit on a basic d.c. single path relationship between voltage and current from measured values in a simple circuit
• determining voltage, current and resistance in a circuit given any two of these quantities
• graphical relationships of voltage, current and resistance
• relationship between voltage, current and resistance

T5 Effects of electrical current encompassing:

• physiological effects of current and the fundamental principles (listed in AS/NZS 3000) for protection against the this effect
• basic principles by which electric current can result in the production of heat; the production of magnetic fields; a chemical reaction
• typical uses of the effects of current
• mechanisms by which metals corrode
• fundamental principles (listed in AS/NZS3000) for protection against the damaging effects of current

______________________________________________________

There are a series of videos on youtube for static electricity and current flow Electricity and Matter part 1, part 2, part 3 and part 4. quite good. Especially about electron flow vs conventional current flow. Benjamin Franklin.

****Watch the following Video links for basic charge:

Part one

Part two conventional vs electron current

Part three, atoms and electricity

Part four, atoms and elements

Current part one and two, US airforce training films, youtube Video link:  US Airforce current videos

Principles of electricity 1945 part 1 and part 2……atoms.. really good. Video link:  Principles of Electricity 1945

Coulomb calculations: TBA

Jim Paytel Schematics made easy: Schematics made easy

This site brilliant for pics of meters and basic lamps in circuits to introduce electrical concepts: cornerstone robotics

____________________________________________

The first of a series of powerpoint slides.

See accompanying paperwork for classwork.

****Watch the following Video links

60 second RCD demo

Irish RCD video

RCD low voltage demo in the lab

Lock out Tag out

The girl with the hairdryer

Digital multimeter kills worker, 2300V

These links shown above are active and clickable further up the pages. (scroll back up)

### MAP

• August 6, 2018
• May 26, 2018
• May 26, 2018
• May 3, 2018
• April 21, 2018
{"speed":500,"height":400,"pause":2000}
Top