The student-friendly format and specification-matched content makes this a vital tool for achieving success at AS and A2 level.When looking at an LED the cathode can be identified as the short lead or by the flat edge on the circumference of the LED rim. ... Given the circuit diagram in Figure 3.4. ... circuit symbol a) diode circuit symbol cathode K anode b) light- emitting diode a#39;+5v aquot; I = 5mA -0v 0 1 2 v c) I-V characteristics of a typical LED d) LED inanbsp;...
|Author||:||Lesley Cresswell, Barry Lambert|
|Publisher||:||Heinemann - 2003|