Basic scientific concepts in
electrotechnology
Ch 5
99
Unit Principles electrotechnology Outcome 2
Underpinning knowledge: when you have completed this chapter you should able to:
● list the materials used for conductors and insulators
● describe the properties conductor and insulating materials
● explain current flow series and parallel circuit
● describe how connect voltmeters and ammeters
● describe the three effects electric current
● describe the flux patterns set permanent magnets, conductors and solenoids
● describe the construction basic transformer
● state the use transformers the National Grid
d solenoids
V
V
U
U W
W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply