Course Description:

ELECTRICITY PRODUCTION

10

1

4

Electrical structure of matter

Describe protons, neutrons, and electrons.

Describe ions.

Describe the role of free and at-rest electronics in producing electricity.

Static electricity

Create static electricity using common sources (plastic, glass, silk, and nylon).

Describe opposite and like charges.

Conductors and insulators

Define the terms conductance and insulation.

Demonstrate conductance and insulation of various materials using static electricity.

Capacitance

Describe a capacitor or condenser.

Calculate capacitance given charge and potential difference.

Define dielectric constant.

Look up the dielectric strength of common materials.

Read and interpret capacitor values.

Electrical current and resistance

Define electrical potential.

Discuss the magnetic field created by a current flowing through a wire.

Read and interpret color codes to identify resistors.

ELECTRICAL FORMULAS

10

0

0

Resistance formulas

Calculate the total resistance value for resistors in series.

Calculate the total resistance value for resistors in parallel.

Capacitance formulas

Calculate the total capacitance value for capacitors in series.

Calculate the total capacitance value for capacitors in parallel.

Ohm’s law

Use Ohm’s law to calculate voltage and current in simple DC circuits.

TEST EQUIPMENT`

10

5

5

VOM

Demonstrate the proper use and care of the VOM.

Use the VOM to measure voltage and current.

Clamp-on ammeter

Demonstrate the proper use and care of the clamp-on ammeter.

Use the clamp-on ammeter to measure current.

Megohmeter

Demonstrate the proper use and care of the megohmeter.

Use the megohmeter to measure resistance.

Tachometer

Demonstrate the proper use and care of the tachometer.

Use the tachometer to measure motor speed.

Continuity tester

Demonstrate the proper use and care of the continuity tester

Use the continuity tester to measure continuity.

TRANSFORMER FUNDAMENTALS

10

1

4

Transformer types

Describe isolation, power, and high-voltage transformers.

Transformer theory

Describe step-up and step-down transformer construction.

Explain the color-coding used in transformer inputs and outputs.

Identify primary and secondary transformer windings.

Define leaicale flux.

Differentiate between an open and closed core transformer.

Describe iron core transformer construction and explain the function of each component.

Use Lenz’s law to describe the magnetic fields in a transformer

Transformer calculations

Given voltage required, voltage input and primary winding, compute the secondary winding voltage.

Given turns ratio and input voltage calculate output voltage.

FUNDAMENTALS OF AC AND DC CIRCUITS

40

3

37

Introduction to DC circuits

Describe DC power.

Define the flowing terms: electronic force, potential, potential difference, and current flow.

Units of measurement and formulas

Define the following units of measurements: coulomb, ampere, and milliampere.

Make power computations using (P=IxE)

Circuit types

Identify series DC circuits.

Identify parallel DC circuits.

DC circuit measurements

Perform DC calculations and measurements on series circuits.

Perform DC calculations and measurements on parallel circuits.

Introduction to AC circuits

Describe induced current using Lenz’s law.

Describe the components of a simple generator.

Graph an sinusoidal waveform AC output

Define: cycle, frequency, hertz, and amplitude.

Describe the difference between resistance and impedance.

Factors affecting AC current

Describe the impact of resistance on AC phase output.

Describe the impact of capacitance on AC output.

Describe the impact of inductance on AC output.

AC circuit measurement and computations

Computer R-L time constant

Computer R-C time constant

Measure the voltage and current in a series, and a parallel AC circuit.

Determine total impedance and admittance in a series and a parallel AC circuit.