This is an 8 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of B-H curves. This PowerPoint includes a description of how to plot a graph of B (magnetic flux density in a material) against H (magnetic field from a solenoid) and then goes into detail about analysing the graph to consider coercivity and hysteresis based on permeability. This is the second PowerPoint in this section (Magnetism and Electromagnetic induction).

This is an 11 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of self-inductance and transformers. This lessons covers the calculations from self-inductance, and explanation of the unit “henry” and how it applies to circuits, mutual inductance and transformer design and calculations. This is the fifth and final PowerPoint in this section (Magnetism and Electromagnetic induction).

This is an 8 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of DC motors. This short powerpoint is designed to be used alongside a lesson where a DC motor can be examined or where a practical can be performed to create one. This is the fourth PowerPoint in this section (Magnetism and Electromagnetic induction).

This is a 9 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topics of Diodes in circuits. This lesson covers the three main rectification circuits, complete with animated diagrams to help students understand how they create the DC output from an AC input for bi-wave and full-wave variants. Protection circuits and the use of Zener diodes are also briefly covered, together with an worked example circuit question. This is the fourth PowerPoint in this section (Electricity and circuits).

This is a 14 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topics of Capacitance and Capacitors. It covers the basic formula for calculating farads, for calculating capacitance from the properties of a capacitor, the exponential formulae for charging and discharging a capacitor, and the formula for the energy stored in a capacitor. There are graphs to show the charging and discharging of a capacitor and worked mathematical calculations. This is the second PowerPoint in this section (Electricity and circuits).

This is a 6 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of Capacitors in both series and parallel circuits. This PowerPoint includes circuit diagrams and worked examples of the capacitance, current and voltage calculations needed for basic circuits. This is an extension from the earlier lesson where capacitance and capacitors were introduced in detail. This is the sixth PowerPoint in this section (Electricity and circuits).

This is an 8 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of Stress - Strain graphs, linking tensile stress and strain and the calculation of the modulus of elasticity This is the third and final PowerPoint in this section which goes over some of the work from lesson one (Tensile stress and strain) and goes into more detail of graph analysis to find yield point, tensile strength as well as comparing qualitatively ideas like malleable and brittle materials.

This is an 10 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of single phase alternating current theory. This lessons revisits the graphical representation of AC voltage changes as a sine wave, and then covers the calculations for the average and root mean squared voltages. This is consolidated with a worked example that shows how the form factor is a constant. This is the first PowerPoint in this section (Single Phase Alternating Current).

This is an 7 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of impedance. This lessons covers the calculations to calculate impedance, starting from resistance, capacitance and inductance. This is the third and final PowerPoint in this section (single phase alternating current) and is also the final lesson in the entire scheme of work (available as a single bundle).

This is a 9 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of Simply Supported Beams which is supported with a worksheet with three questions including answers. This covers the mathematical and physics for a Beam system including point forces, Uniformly Distributed Forces (UDL) on a beam with pins and rollers. There is a brief recap of the principle of moments and an animated worked example of a beam question. This PowerPoint forms Lesson 3 in this series

This PowerPoint lesson on Electromagnetism covers the formation of a magnetic field around a current carrying wire using the right hand grip rule, solenoid construction and the methodology of working out which was to orientate a magnetic field through a solenoid. This is the third (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop.

This PowerPoint lesson on Electric Motors covers the application of the motor effect (See previous lesson) in the creation of DC electric motors. This lesson recaps the formula F=BIL and then applies this to DC motor construction. The main design components are a loudspeaker are also covered. There is a choice of two PowerPoints to download due to the size of one which contains a short video clip of a loudspeaker showing the vibrations change with amplitude change of input AC. This is the fifth (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop.

This PowerPoint lesson on Magnets covers the basics on drawing magnetic fields around bar magnets, both on their own and when attracting and repelling each other. There is also a PDF worksheet with three magnet drawings for the pupils to complete. This is the first (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop.

This PowerPoint lesson on Generators shows how a rotating coil within a magnetic field can produce a sinusoidal output voltage (potential difference) in a circuit. Oscilloscope readings for an AC suply are looked at in detail so that students can calculate the peak voltage and time period from a diagram. Output wave forms are considered and examples are shown on how these change when the variables of the rotating coil are changed. Finally the engineering systems in a power station generator are covered. This is the seventh (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop.

This PowerPoint lesson on Electromagnetic Induction covers the Right-hand Rule for working out the current flow direction for a wire which is moved within a magnetic field, the application of this in creating an output voltage (Potential difference) in a coil and the creation of a sine wave from a rotating magnet in a sensor circuit (e.g. for fluid flow) This is the sixth (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop.

This PowerPoint lesson on Transformers covers the application of induction to the construction of AC transformers. The mathematics and formulae for both power and voltage across transformers is covered, together with a worked example. There is also a comprehensive set of questions and answers. This is the final (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop. v1.1 Question worksheet added complete with answers

This is an 18 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of Conservation of Energy. This is the forth and final PowerPoint in this section and it covers Work Done, Kinetic Energy and Gravitational Potential Energy. The slides take the reader through several worked examples and explanations of the use of these formula. v1.01 - Error in calculation corrected v1.1 - Worksheet of questions and answers added

This is an 17 slide PowerPoint that covers BTec National Engineering (A-Level equivalent) on the topic of SUVAT including the main formulae, their derivations and use. There is also a worksheet of questions and the answers are included. This is the first PowerPoint in this section, which is available as a bundle, covering Dynamic Engineering Systems. v1.1 - A quick worksheet on unit conversion practice has been added, in addition to the SUVAT worksheet v1.11 Minor improvements to ppt made (mainly italics in parameters throughout)

This PowerPoint lesson on Magnetising covers creating permanent and temporary magnets, hard and soft magnetic materials, and the practical method for creating electromagnets in the classroom. This is the second (of 8) lessons in this section entitled “Magnetism and Electromagnetism” which is available as a bundle in our shop.