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# Parallel and series connection of lighting circuit.

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### Parallel and series connection of lighting circuit.

1. 1. TTC TTC AVP-2 Lesson Plan Tamim Alsaadi 334
2. 2. 2 Lesson Plan - (AVP-2) Table of content 1. Didactic Reflection ……………………………………………….………………………….……..3 1.1 Curriculum Analysis ……………………………………………………………………..….3 1.2 Content Analysis …………………………………………………………..…………….…..4 1.3 Didactic Analysis …………………………………………………….………………..…….4 1.4 Material and equipment……………………………………….………………………..….4 2. Lesson Plan…………………………………………………………………………………..…..….5 2.1 Objectives………………………………………………………………..…………………….5 2.2 Safety instruction…………………………………………………………………………….5 3. Overview of the Intended Process………………….………………………..………………..….6 3.1 Opening……………………………………………………………………….………….…….6 3.2Body……………………………………………………………………………..……………….7 3.3 Close…….…………………………………………………………………..…………………..9
3. 3. 3 Lesson Plan - (AVP-2) 1-  Topic: Parallel and Series Connection Of Lighting Circuit. 1. Didactic Reflection 1.1 Curriculum Analysis: The name of this course is residential installation ,the code of curse is ( ELT 182). The trimester is 3. The hours of workshop are 6 hours. The hours of lecture are 2 hours. This practical course trains the trainee to plan, implement, buildings. It also introduce the trainee to the residential circuit breakers and KWH meters. In addition, it shows the trainee the proper distribution of building loads. 1.2 Content analysis: Parallel and Series Connection Of Lighting Circuit. In this lecture we will explain how to connect two lamps in parallel and series and explain how to measure the current, voltage and resistance. Also, we will indicate the relationship between temperature and resistance. We will focus also in this practical lesson on safety and standards of electrical installation. Department: EP- 6 Topic: Parallel and Series Connection Of Lighting Circuit. AVP-2 – Lesson Preparation
4. 4. 4 1.3 Didactic analysis: We will start our lecture by asking the trainees what they know about our topic, then we will explain to them about the connection of lamps in series and parallel. After that we will make together two panels , one for parallel connection and the other for series connection. Then we will explain to them how to measure the current, voltage and resistance. 1.4 Material and equipment's :- Tools Two lamps Wires Ammeter
5. 5. 5 Lesson Plan - (AVP-2) 2- Lesson plan 2.1 Objectives General Objectives: The Trainees:  Interact with the teacher if he asks questions. (general – effective - reproduction ).  Solve the problems and answer the questions in the lesson. (general - cognitive – reorganization).  The trainee find solution if he find a problem. (general – cognitive – reorganization). Specific Learning Objectives: The Trainees:  connect the circuit of the two lamps in parallel.  Wiring the circuit by using different tools.  measure the voltage of the circuit.  know how to use the ammeter to measure the different functions in the circuit. 2.2 Safety instructions:  The trainee should wear shoes.  The trainee must ask the trainer to check the circuit before switch it on.
6. 6. 6 3. Overview of the Intended Process 3.1 Opening / Entrance / Motivation Methodology Media Time Expected Trainer-action Expected Trainee-action Min The trainer greets the students and ask them about what did they learn from last lesson. The trainee discuss with the trainer. Principle of motivation PPT #1 30 sec Trainer introduces his topic by asking the trainees questions about connection of the lamps in the class such as: What do you think about type of lamps connection in this class? (series or parallel) Why is better to use parallel connection in this class instead of series connection ? Trainees listen and discuss with the trainer about the connection of lamps and sharing ideas. Classroom discussion 1 Trainees answer the questions: o The connection in this class is parallel. o Because the voltage always remains constant and only the amount of current required by a device is supplied to a device, and the voltage in series divided by loads.
7. 7. 7 3.2 Body (Information / Elaboration) Methodology Media Time Expected Trainer-action Expected Trainee-action Min Trainer explains what are the benefits of series and parallel connection and tells the trainees the main function of each one. Trainees take their notes about the benefits. Lecture PPT Slide #(2 –13) 5 Trainer explains what are the advantages and disadvantages of series and parallel connection. Lecture PPT Slide #(14 –15) 2 Trainer gives trainees sheet of circuit drawing, and explains how to read and understand it. Trainees understand circuit drawing of lamps. Classroom Discussion Sheet Paper & PPT Slide #(16) 30 sec Trainer divides the trainees to two groups. - Group A will connect the two lamps in series. - Group B will connect the two lamps in parallel. Trainees go into two groups each contain about 5 of them. Group work Experiment 4 Trainer gives the trainees hand tools and explains how to use them . Trainees focus and follow the instructions of using hand tools. Trainer shows to trainees the correct color of cables to use (brown for lines and blue for natural). Trainees listen to trainer and understand the standers of cables color.
8. 8. 8 Trainer connect with trainees the wires from the terminal blocks to the switches and the lighting depend on the circuit drawing that they have and consider the following: Suitable length of wires. Tight terminal screws. Strip off the wires at about 1 an inch of insulation from both side. Remove insulation correctly. Put all wires inside trunking. Leave slack on cable. Trainees focus ,understand the connection step by step. Group work Experiment 23 Trainer plug the two circuits in the power supply with trainees to check their work. Trainer know clearly how they can connect the circuits to the power supply. Trainer measures with trainees: 푉푆 , 푉1 , 푉2 퐼푆 , 퐼1 , 퐼2 Resistance of lamps in series and parallel. And order of them to write the measurements values down in measurement paper. Trainees understand how to measure all the values of parallel and series circuits and they write the values down. Group work & Lecture Experiment & Measurement paper 5 Trainer explains how to measure temperature of the lamps in series and parallel circuits and indicate the relationship between temperature and resistance through the curve. Trainees understand and know what is the relationship between temperature and resistance in series and parallel circuits. Experiment & Information sheet 3
9. 9. 9 3.3 Close (Reflection, Feedback) Methodology Media Time Expected Trainer-action Expected Trainee-action Min Trainer make a quick summary by asking the trainees these questions: 1) What kind of circuit is more commonly used? 2) Why use parallel circuit in the household lighting? 3) Which type of lighting circuit connection has voltage is divided equally between the lamps? 4) What is the name for a circuit that has only one path for current to flow? 5) What happens to the lights in a series circuit if one light goes off? And why? 6) What happens when one light goes out in a parallel circuit? Trainees answer the questions: 1) Parallel circuit. 2) If one bulb is damaged or switched off, the other bulb can still work. 3) Series circuit. 4) Series circuit. 5) All the lights go off. Because of the gap. There is no other path for the current. 6) The other lights can stay on. Classroom Discussion PPT Slide #(17–22) 6

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• #### GlennPatindol

May. 17, 2017

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