SPM Form 5 Physics (KSSM) Chapter 5 – Electronics Whatsapp Cikgu Kwee now! Electrons Thermionic Emission Cathode Ray Semiconductor Holes and Free Electrons Flows of Free Electrons and Holes Doping a semiconductor N-Type Semiconductor P-Type Semiconductor Summary Semiconductor Diodes Forward Bias and Reverse Bias Diodes as Rectifiers Full Wave Rectification Capacitor Smoothing Transistors Connection of Transistors Current in Transistor Transistor as Current Amplifier Transistor as Automatic Switch