Unit-9 : Electronic Devices
	Energy Band in Solids
	Insulators, Semiconductors and Conductors
	Semiconductor Diode
	LED, Photodiode, Solar Cell and Zener Diode
	Zener Diode as Voltage Regulator
	Junction Transistor, Transistor Action and Transistor Characteristics
	Transistor as an Amplifier and Transistor Oscillators
	Logic Gates
	Transistor as a Switch