Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits... C288 Automotive Tasksheet : C288 Student/Intern Information: Name Date Class Vehicle used for this activity: Make Model Year Odometer VIN Learning objective/task: Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits using principles of electricity (Ohm’s Law). Recommended resource materials: • • • • • CDX A-Zero General Service: Disc 8 CDX General Service 2.0: Disc 7 CDX Light Vehicle: ASE 6, Disc 1 CDX ARK: Disc 5 Tech Service Bulletins, Shop Manuals, and any other information applicable to the specific vehicle or components you are working on. Some safety issues to consider: • • Always wear correct protective eyewear and clothing and use the appropriate safety equipment, as well as fender covers, seat protectors, and floor mat protectors. Make sure that you understand and observe all legislative and personal safety procedures when carrying out practical assignments. If you are unsure of what these are, ask your supervisor/instructor. Materials required required: • Calculator Assignment: Use Ohm’s Law to solve the circuit information below 1. Series Circuit Circuit Voltage=12Volts, R1=3Ohms, R2=9 Ohms a. Circuit current: .................................................................................................................................................... b. Voltage drop across R1: ..................................................................................................................................... c. Voltage drop across R2: ..................................................................................................................................... d. Circuit resistance: ............................................................................................................................................... © 2004 DVP Licensing Pty Ltd Page 1 Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits... C288 Automotive Tasksheet : C C2 288 288 e. 2. Draw this circuit: Parallel Circuit Circuit voltage=12volts, Branch 1, R1=2ohms and Branch 2, R2=4 Ohms a. Circuit current: b. Voltage drop across R1: .................................................................................................................................... c. Voltage drop across R2: .................................................................................................................................... d. Circuit resistance: .............................................................................................................................................. ( (Hint : Rt=R1xR2/R1+R2) e. Current thru R1: ................................................................................................................................................. f. Current thru R2: ................................................................................................................................................. g. Draw this circuit in the space below: © 2004 DVP Licensing Pty Ltd ................................................................................................................................................... Page 2 Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits... C288 Automotive Tasksheet : C C2 288 288 3. Series-Parallel Circuit Circuit voltage=12volts, R1=2ohms is in series with the parallel circuit of R2=3 ohms and R3=3 ohms 4. a. Circuit current: .................................................................................................................................................... b. Voltage drop across R1: ..................................................................................................................................... c. Voltage drop across R2 and R3: ........................................................................................................................ d. Total circuit resistance: ...................................................................................................................................... e. Draw this circuit in the space below: Have the supervisor/instructor verify satisfactory completion of this procedure. © 2004 DVP Licensing Pty Ltd Page 3 Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits... C288 Automotive Tasksheet : C C2 288 288 Student’s competency rating Supervisor/instructor assessing performance marks applicable box 0 - No exposure !0! No information or practise provided during the program; complete training required 1 - Exposure only !1! General information provided with no practice time; close supervision needed; additional training required 2 - Limited practice !2! Has practiced job during training program; additional training is required to develop skill 3 - Moderately skilled !3! Has performed job independently during training program; limited additional training may be required 4 – Skilled !4! Can perform job independently with no additional training Supervisor/instructor signature .............................................................................. Date .................................................... Supervisor/instructor name ....................................................................................................................................................... This worksheet applies to: ASE TASK NUMBER (US) : 6A05 PRIORITY : P1 NATEF GST TASK NUMBER (US) : E1 AQF COMPETENCY (AU) : AUR18708A CITY & GUILDS COMPETENCY (UK) : 3905-U1-1.5b The tasks in this worksheet contain activities that also contribute towards the achievement of a range of educational and interdisciplinary skills. These skills are variously described by such terms as ‘Core Skills’, or ‘Key Competencies’, or ‘Applied Academics’. For more information, refer to the CDX Core Skills Chart available at www.cdxglobal.com. !AT6A05! © 2004 DVP Licensing Pty Ltd Page 4