Diagnose electrical/electronic integrity of series, parallel and series-parallel circuits...
C288
Automotive Tasksheet : C288
Student/Intern Information:
Name
Date
Class
Vehicle used for this activity:
Make
Year
Model
Odometer
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Learning objective/task:
Diagnose electrical/electronic integrity of series, parallel and series-parallel circuits using principles of
electricity (Ohm’s Law).
Recommended resource materials:
•
•
•
CDX Automotive Resource Kit
CDX eTextbook
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:
•
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: ...............................................................................................................................................
©
2009 Jones and Bartlett Publishers LLC
Page Diagnose electrical/electronic integrity of series, parallel and series-parallel circuits...
C288
Automotive Tasksheet : C288
2.
e.
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:
©
2009 Jones and Bartlett Publishers LLC
Page Diagnose electrical/electronic integrity of series, parallel and series-parallel circuits...
C288
Automotive Tasksheet : C288
3.
Series-Parallel Circuit
Circuit voltage=12volts, R1=2ohms is in series with the parallel circuit of R2=3 ohms and R3=3 ohms
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:
4.
©
Have the supervisor/instructor verify satisfactory completion of this procedure.
2009 Jones and Bartlett Publishers LLC
Page Diagnose electrical/electronic integrity of series, parallel and series-parallel circuits...
C288
Automotive Tasksheet : C288
Student’s competency rating
Supervisor/instructor assessing performance marks applicable box
!0! 0 - No exposure
No information or practise provided during the program; complete training required
1 - Exposure only
2 - Limited practice
!1!
!2!
!3!
!4!
General information provided with no practice time; close supervision needed; additional training required
Has practiced job during training program; additional training is required to develop skill
3 - Moderately skilled
Has performed job independently during training program; limited additional training may be required
4 – Skilled
Can perform job independently with no additional training
Supervisor/instructor signature .............................................................................. Date ....................................................
Supervisor/instructor name .......................................................................................................................................................
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’.
!C288*
©
2009 Jones and Bartlett Publishers LLC
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