ELT 1020 - DC Circuits

1. Metric Notation
   1. Convert decimal numbers to powers of ten and vice versa.
   2. Convert decimal numbers to metric prefixes and vice versa.
   3. Add, subtract, multiply, and divide powers of ten.
   4. Add, subtract, multiply, and divide metric prefixes.
2. Voltage and Current
   1. Describe an atom and its structure.
   2. Define electric charge as it relates to electrons and protons.
   3. Describe the law of electrostatic force.
   4. Define voltage and the volt as the unit of measure.
   5. Define the relationship between voltage and potential difference.
   6. Define the six methods of producing voltage.
   7. Define current and the ampere as a unit of measure.
   8. Describe a conductor and the behavior of electrons within a conductor.
   9. Describe an insulator and the behavior of the electrons within an insulator.
   10. Identify the three basic parts of an electrical circuit.
   11. Describe an electrical circuit load and its relationship to the flow of current.
3. Resistors
   1. Identify the purpose of a resistor
   2. Identify the unit of resistance as the ohm.
   3. Identify the resistor reference designator code.
   4. Identify the resistor schematic symbol.
   5. Identify the fixed and variable resistor types.
   6. Define a resistor’s power rating.
   7. Define the tolerance of a resistor.
   8. Define power rating.
   9. Define tolerance.
   10. Identify number/letter codes.
4. Switches, fuses, and breakers
   1. Identify the purpose of a switch and its schematic diagram.
   2. Define a single and double pole switch.
   3. Define a single and double throw switch.
   4. Describe four types of switches and their schematic diagrams.
   5. Identify the purpose of a circuit protection device.
   6. Identify the fuse and circuit breaker and their schematic symbols.
5. Tools For Electronic Troubleshooting
   1. Identify the basic hand tools used for troubleshooting and repair.
   2. Describe the types of tasks performed with each tool.
   3. Describe the safe and proper use of hand tools.
6. Magnetism, Relays, and Meters
   1. Define magnetism.
   2. Identify characteristics of magnets.
   3. Define laws of magnetic attraction and repulsion.
   4. Describe properties of magnetic lines of force.
   5. Identify non-magnetic materials.
   6. Define electromagnetism.
   7. Identify the characteristics of electromagnetism.
   8. Describe the operation of a relay.
   9. Describe the operation of a magnetic circuit breaker.
   10. Describe the operation of a meter.
7. Introduction to Multi-meters
   1. Identify the quantities measured by multi-meters.
   2. Identify multi-meter characteristics.
   3. Describe the functional sections of a digital multi-meter.
   4. Describe the purpose of each functional section.
8. Multi-meter Use
   1. Understand how to operate a digital multi-meter.
   2. Operate a digital multi-meter.
9. Voltage Measurements
   1. Describe how to set up a digital multi-meter to measure voltage.
   2. Understand how to read a digital multi-meter’s display when measuring voltage.
   3. Describe the correct way to connect a multi-meter to a circuit for measuring voltage.
   4. Perform voltage measurements with a digital multi-meter.
10. Current Measurements
    1. Describe how to set up a digital multi-meter to measure current.
    2. Describe how to read a digital multi-meter’s display when measuring current.
    3. Describe the correct way to connect a multi-meter to a circuit for measuring current.
    4. Identify the precautions to observe when making current measurements.
    5. Perform current measurements with a digital multi-meter.
11. Resistance Measurements
    1. Describe how to set up a digital multi-meter to measure resistance.
    2. Understand how to read a digital multi-meter’s display when measuring resistance.
    3. Describe the correct way to connect a multi-meter to a circuit for measuring resistance.
    4. Identify the precautions to observe when making resistance measurements.
    5. Perform resistance measurements with a digital multi-meter.
12. Ohm’s Law and Power
    1. Define Ohm’s Law and describe how voltage, current, and resistance are related.
    2. Define power and describe how voltage, current, and Ohm’s Law are related to power.
    3. Prove the Ohm’s Law relationship of voltage, current, and resistance.
13. Series Circuits
    1. Identify a series circuit.
    2. Calculate total resistance in a series circuit.
    3. Calculate current in a series circuit.
    4. Calculate voltage drops across resistance.
    5. Measure current values in a series circuit.
    6. Measure voltage drops in a series circuit.
    7. Follow a logical troubleshooting procedure.
    8. Identify an open, short, and a changed value component in a series circuit.
    9. Analyze a series circuit and determine if the circuit is defective.
    10. Determine if a series circuit is open and identify which component is open.
    11. Determine if a series circuit has a short and identify which component is shorted.
    12. Determine if a series circuit has a changed value and identify which resistor has a changed value.
14. Parallel Circuits
    1. Identify a parallel circuit.
    2. Recognize that the applied voltage is the same across each branch.
    3. Calculate current in each branch of a parallel circuit.
    4. Calculate total current from the sum of the individual branches of a parallel circuit.
    5. Calculate total resistance in a parallel circuit.
    6. Measure the applied voltage across each branch in a parallel circuit.
    7. Measure current across each branch in a parallel circuit.
    8. Measure total resistance in a parallel circuit.
    9. Identify an open, short, and changed value component in a parallel circuit.
    10. Analyze a parallel circuit and determine if the circuit is defective.
15. Series-Parallel Circuits
    1. Identify a series-parallel circuit.
    2. Calculate total resistance in a series-parallel circuit.
    3. Calculate current in a series-parallel circuit.
    4. Calculate voltage drops in a series-parallel circuit.
    5. Measure resistance values in a series-parallel circuit.
    6. Measure current values in a series-parallel circuit.
    7. Measure voltage drops in a series-parallel circuit.
    8. Identify an open, short, and changed value component in a series-parallel circuit.
    9. Analyze a series-parallel circuit and determine if the circuit is defective.
16. Voltage Divider Circuits
    1. Identify a voltage divider circuit.
    2. Identify a voltage divider as being loaded or unloaded.
    3. Calculate voltage, current, and resistance for loaded and unloaded voltage dividers.
    4. Calculate % regulation for a voltage divider circuit.
    5. Measure unloaded voltage divider voltages.
    6. Measure loaded voltage divider voltages.
17. Bridge Circuits
    1. State the purpose of a bridge circuit.
    2. Identify a bridge circuit.
    3. Solve for voltage outputs.
    4. Solve for unknown resistance.
    5. Voltage measurements.
    6. Resistance measurements.
18. Kirchhoff’s Current and Voltage Laws
    1. Identify a complex circuit.
    2. State Kirchhoff’s Current Law.
    3. State Kirchhoff’s Voltage Law.
    4. Compare calculated and measured voltage in a circuit using Kirchhoff’s Laws.
19. Norton’s Theorem
    1. Describe the purpose of Norton’s Theorem.
    2. Describe the procedure in solving circuits using Norton’s Theorem.
    3. Nortonize a series-parallel circuit.
20. Thevenin’s Theorem
    1. Describe the purpose of Thevenin’s Theorem.
    2. Describe the 6-step process in solving circuits using Thevenin’s Theorem.
    3. Thevenize a series-parallel circuit.
    4. Thevenize a complex circuit.
21. Multi-meter Loading
    1. Describe the circuit loading effect of multi-meters.
    2. Describe how the multi-meter loading is reduced.
    3. Describe the Ohms per volt rating of analog multi-meters.
    4. Measure circuit voltages using an analog and digital multi-meter.
    5. Observe the loading effect of an analog multi-meter.