10 1 1/2 3.18 Calculating the force P3.3j Worksheet 3.18; Quick starter Explain the meaning of magnetic flux density, B. on a conductor (HT PowerPoint Homework Calculate the force on a current-carrying conductor in only) presentation worksheet a magnetic field. Homework quiz Slideshow 10 1 1/2 3.19 Electric motors (HT P3.3k Worksheets starter List equipment that uses motors. only) Homework 3.19.1 and Describe how motors work. worksheet Describe how to change the and direction of 3.19.2; Practical Homework quiz rotation of a motor. 3.19; Explain how a dynamo generates direct current. Technician’s notes 3.19; PowerPoint presentation Worksheets 10 1 1/2 3.20 Key concept: The Explore how electricity and magnetism are Key concept Quick starter link between connected. Homework 3.20.1 and electricity and worksheet 3.20.2; Practical magnetism (HT Homework quiz sheets 3.20.1, only) Slideshow 3.20.2, 3.20.3 Video and 3.20.4; Technician’s notes 3.20; PowerPoint presentation 10 1 3/4 3.21 skills: PM3.3i, M1a, Worksheets 4.1 Quick starter Change the subject of an equation. Rearranging b, c, M3b, c, Homework Explain how the potential differences in two circuits and 4.10.2 equations (HT only) d worksheet linked by a transformer depend on the ratio of the Homework quiz numbers of turns. Video 10 1 3/4 Assessment End of chapter test Student Book
10 1 1/2 3.18 Calculating the force on a conductor (HT only) Explain the meaning of magnetic flux density, B. Calculate the force on a current-carrying conductor in a magnetic field. P3.3j Worksheet 3.18; PowerPoint presentation Quick starter Homework worksheet Homework quiz Slideshow 10 1 1/2 3.19 Electric motors (HT only) List equipment that uses motors. Describe how motors work. Describe how to change the and direction of rotation of a motor. Explain how a dynamo generates direct current. P3.3k Worksheets 3.19.1 and 3.19.2; Practical 3.19; Technician’s notes 3.19; PowerPoint presentation starter Homework worksheet Homework quiz 10 1 1/2 3.20 Key concept: The link between electricity and magnetism (HT only) Explore how electricity and magnetism are connected. Key concept Worksheets 3.20.1 and 3.20.2; Practical sheets 3.20.1, 3.20.2, 3.20.3 and 3.20.4; Technician’s notes 3.20; PowerPoint presentation Quick starter Homework worksheet Homework quiz Slideshow Video 10 1 3/4 3.21 skills: Rearranging equations (HT only) Change the subject of an equation. Explain how the potential differences in two circuits linked by a transformer depend on the ratio of the numbers of turns. PM3.3i, M1a, b, c, M3b, c, d Worksheets and 4.10.2 Quick starter Homework worksheet Homework quiz Video 10 1 3/4 Assessment End of chapter test Student Book 4.1