At the end of this lesson, you will be able to explain magnetism and electromagnetism and explain the basic principles of electrical voltage transformation.
• Explain the force of magnetism
• Describe the molecular domains of ferromagnetic metals
• Describe the reaction between like and unlike magnetic fields
• Describe magnetic flux
• Define electromagnetism
• Explain the changes of field strength in an electromagnetic coil
• Define permeability
• Explain the left hand rule for coils
• Describe the magnetic measurements of Weber, magnetic flux density, Tesla,magnetomotive force, field intensity, and reluctance
• Describe the line voltage and the load connections to the transformer
• Describe the property of inductance
• Describe electromagnetic induction
• Describe mutual induction
• Describe Lenz’s law and self-induction
• Describe the turns ratio between the primary and secondary windings
• Define volts per turn
• Explain the use of coil taps in a transformer
• Explain transformer losses from copper loss
• Describe transformer losses from eddy currents
• Describe hysteresis losses • Define flux loss
• Describe mutual inductance or the coefficient of coupling
