2. S. Coghlan Physics 12

3. S. Coghlan This concept map is designed to help you; Understand how the various different parts of electric power link together. Study the whole section of work. Main Concepts Linking words Printer friendly version available from my web site

4. Magnetic Fields Force on a conductor in a field Force on a moving charge in a field Generation Motors involves drives causes causes requires Electric Power

5. Magnetic Fields involves Motors drives Force on a moving charge in a field causes Force on a conductor in a field causes Generation requires

6. Electric Power Magnetic Fields involves Motors drives Force on a moving charge in a field causes Force on a conductor in a field causes Generation requires Earth Inclination or dip Moving charges in outer core GNP MNP Variation Field shape - magnetic flux Bar or horseshoe RH screwdriver RH grasp Field strength B, tesla shows shows has has caused by wire solenoid units permanentshow

7. Electric Power Magnetic Fields involves Motors drives Force on a moving charge in a field causes Force on a conductor in a field causes Generation requires Earth in Moving charges in outer core caused by GNP has MNP has Inclination or dip shows Variation shows Field shape & magnetic flux Bar or horseshoe permanent RH screwdriver wire RH grasp solenoid Field strength B, tesla units show

8. Electric Power Magnetic Fields involves Motors drives causes Force on a conductor in a field F = IlB causes Generation requires Earth in Moving charges in outer core caused by GNP has MNP has Inclination or dip shows Variation shows Field shape & magnetic flux Bar or horseshoe permanent RH screwdriver wire RH grasp solenoid Field strength B, tesla units show require produce applications LH rule commercial involves low V, low I can be depends on types high V, low I Force on a Moving charge in a field F = qvB Torque, FxdSplit ring commutatorCRO TVMass spectrometer AC power supply Home 50 Hz Transmission lines, High V, Low I InductionLenz’s Law CalcsAC/DC generator Transformers

9. Electric Power Magnetic Fields involves Motors drives causes Force on a conductor in a field F = IlB causes Generation requires Earth in Moving charges in outer core caused by GNP has MNP has Inclination or dip shows Variation shows Field shape & magnetic flux Bar or horseshoe permanent RH screwdriver wire RH grasp solenoid Field strength B, tesla units show Force on a Moving charge in a field F = qvB Torque, Fxd produce Split ring commutator require Mass spectrometer CRO TV applications AC power supply commercial Home 50 Hz low V, low I Transmission lines high V, low I Induction depends on Lenz’s Law Calcs AC/DC generator can be F B I LH rule Transformers Step up Step down involves types

10. S. Coghlan Your own concept map Single page concept map

11. Magnetic Fields Force on a conductor in a field Force on a moving charge in a field GenerationMotors Earth Inclination or dip Moving charges in outer core GNP MNP Variation Field shape - magnetic flux Bar or horseshoe RH screwdriver RH grasp Field strength B, tesla Torque, Fxd Split ring commutator CRO TVMass spectrometer AC power supply Home 50 Hz Transmission lines, High V, Low I InductionLenz’s Law Calcs AC/DC generator Transformers Involvesdrives causes causes requiresshows shows has has caused by wire solenoid units permanentshowrequire produceapplications LH rule commercial involveslow V, low I can bedepends on types high V, low I You can use these Main Concepts and Linking Words to complete your own concept map. You can print out the next page and use it as a framework. Main Concepts Linking Words Printer friendly version available from my web site

12. Electric Power

13. Magnetic Fields involves Motors drives causes Force on a conductor in a field F = IlB causes Generation requires Earth in Moving charges in outer core caused by GNP has MNP has Inclination or dip shows Variation shows Field shape & magnetic flux Bar or horseshoe permanent RH screwdriver wire RH grasp solenoid Field strength B, tesla units show Force on a Moving charge in a field F = qvB Torque, Fxd produce Split ring commutator require Mass spectrometer CRO TV applications AC power supply commercial Home 50 Hz low V, low I Transmission lines high V, low I Induction depends on Lenz’s Law Calcs AC/DC generator can be F B I LH rule Transformers Step up Step down involves types

14. +- Electric Field Conventional current Electron current Electric Field +- q = I t

15. Alternating current V t Direct current V t -- - - -- - - - - Electric field