ELECTRICAL MEASUREMENTS Introduction Electricity in the motor vehicle. Oral presentation. PowerPoint 21 Discuss the role of electricity in motor vehicles; point out Vehicle the need for technicians to be able to make basic Electrical components electrical measurements. Simple model circuits Meters Electricity Discuss a simple concept of electricity, and develop the PowerPoint slides 22-23 Electricity idea of an electric circuit. Establish the essential of a Electric circuits Learner workbook p. 50 circuit, using examples. Basic circuits Physical circuit components List the essential physical parts of a basic circuit- power PowerPoint slide 24 supply, conductors and electrical load. Define and discuss Earth connection Learner workbook pp. 51-52 electrical loads; display examples. Extend discussion to include common automotive circuits and introduce the use of the vehicle frame as part of the circuit. Circuit control Controlling circuit with switches Show how a circuit can be controlled by using switches. PowerPoint slide 25 Reinforce the terms circuit’ and circuit’. Learner workbook p. 53 ‘open ‘closed Electrical features of a Voltage Develop the concept of voltage as a form of electrical PowerPoint slides 26-28 circuit pressure, stored in a battery, capable of pushing current Current Learner workbook p. 54 around a circuit to do useful work. Resistance Introduce the units of voltage and current, and the notion of current flow’. ‘conventional Point out the existence of electrical resistance in the circuit, and its effect on current flow. Establish the fact that there is a definite relationship between voltage, current, and resistance.
ELECTRICAL MEASUREMENTS Introduction Electricity in the motor vehicle. Oral presentation. Discuss the role of electricity in motor vehicles; point out the need for technicians to be able to make basic electrical measurements. PowerPoint 21 Vehicle Electrical components Simple model circuits Meters Electricity Electricity Electric circuits Discuss a simple concept of electricity, and develop the idea of an electric circuit. Establish the essential of a circuit, using examples. PowerPoint slides 22-23 Learner workbook p. 50 Basic circuits Physical circuit components Earth connection List the essential physical parts of a basic circuit- power supply, conductors and electrical load. Define and discuss electrical loads; display examples. Extend discussion to include common automotive circuits and introduce the use of the vehicle frame as part of the circuit. PowerPoint slide 24 Learner workbook pp. 51-52 Circuit control Controlling circuit with switches Show how a circuit can be controlled by using switches. Reinforce the terms ‘open circuit’ and ‘closed circuit’. PowerPoint slide 25 Learner workbook p. 53 Electrical features of a circuit Voltage Current Resistance Develop the concept of voltage as a form of electrical pressure, stored in a battery, capable of pushing current around a circuit to do useful work. Introduce the units of voltage and current, and the notion of ‘conventional current flow’. Point out the existence of electrical resistance in the circuit, and its effect on current flow. Establish the fact that there is a definite relationship between voltage, current, and resistance. PowerPoint slides 26-28 Learner workbook p. 54
AURT225667A_TG_parts_1&2_Word.docx