Electronic Components Mounted On Board
| Item Code | Name of Item |
| GED – 170 | PN Junction Diode on Board (IN 34 or Equivalent) |
| GED – 171 | Zener Diode (8.2v or any other value) on Board |
| GED – 172 | PNP/NPN Transistor on Board |
| GED – 173 | LDR (5mm) on Board |
| GED – 174 | Thermister (Any value from 100 Ohm-100K Ohm) on Board |
| GED – 175 | Diode Valve (6H6) on Board |
| GED - 176 | Diode Valve (6AL5) on Board |
| GED – 177 | Triode Valve (6J5 / 6C5) on Board |
| GED – 178 | Triode Valve (ECC 82) on Board |
| GED – 179 | Tetrode / Pentode Valve (6SJ7) on Board |
| GED – 180 | Thyratron Valve (2D21) on Board |
| GED – 181 | Thyratron Valve (2051) on Board |
| GED – 182 | Photo Cell Selenium Type on Board |
| GED – 183 | Photo Cell Vacuum Type on Board |
Characteristics Apparatus
| Item Code | Name of Item |
| GED - 201 | Diode Valve Characteristics Apparatus |
| GED – 202 | Triode Valve Characteristics Apparatus |
| GED – 203A | Tetrode Valve Characteristics Apparatus |
| GED – 203B | Pentode Valve Characteristics Apparatus |
| GED – 204 | Ionization Potential of mercury using Thyratron valve 2D21/2051 |
| GED – 205 | Thyratron Valve Characteristics Apparatus |
| GED – 206A | Plank’s Constant Apparatus |
| GED – 206B | Plank’ Constant Apparatus Using Solar Cell |
| GED – 206C | Plank’s Constant Apparatus Using LED |
| GED – 207 | Photo Cell Characteristics Apparatus |
| GED – 208 | Hall Effect Experiment |
| GED – 209 | Work Function of Diode (Richardson Law) |
| GED – 210 | Microphone and Loudspeaker Trainer (Frequency Response) |
| GED – 211 | 'H’ Parameter of PNP Transistor in Common Emitter Mode |
| GED–212 | Transistor Characteristics Apparatus with regulated power supply |
| GED – 212A | Transistor Characteristics Apparatus with Digital meters |
| GED – 212B | Transistor Characteristics Apparatus (CE PNP) with Digital Meter |
| GED – 212C | Transistor Characteristics Apparatus (CE NPN) with Digital Meter |
| GED – 212D | Transistor Characteristics Apparatus (CB PNP) with Digital Meter |
| GED – 212E | Transistor Characteristics Apparatus (CB NPN) with Digital Meter |
| GED – 213 | PN Junction Diode Characteristics Apparatus with 2 Digital Meter |
| GED – 213A | PN Junction Diode Characteristics Apparatus with 4Digital Meter |
| GED – 214A | Zener Diode Characteristics Apparatus with 2 Digital Meter |
| GED – 214B | Zener Diode Characteristics Apparatus with 4 Digital Meter |
| GED – 215 | Voltage Stabilization Characteristics of Zener Diode |
| GED – 216 | Zener Diode Characteristics and Voltage Stabilization |
| GED – 217 | PN Junction / Zener Diode/ LED Characteristics Apparatus |
| GED – 218 | Energy Band Gap of PN Junction Diode |
| GED – 219 | Thermistor Characteristics Apparatus |
| GED – 220 | Resistivity of Semiconductors by Four Probe Method |
| GED – 221 | SCR Characteristics Apparatus with regulated power supply |
| GED – 222 | UJT Characteristics Apparatus with Digital Meter |
| GED – 223 | UJT Characteristics Apparatus and UJT as Relaxation Oscillator |
| GED – 224 | FET Characteristics Apparatus with 2 Digital Meter |
| GED – 225 | MOSFET Characteristics Apparatus with regulated power supply |
| GED – 226 | IGBT Characteristics Apparatus with regulated power supply |
| GED – 227 | Diac Characteristics Apparatus with 2 Meters |
| GED – 228 | Triac Characteristics Apparatus with regulated power supply |
| GED – 229 | BJT Characteristics Apparatus |
| GED – 230 | LDR Characteristics Apparatus |
| GED – 231 | LED Characteristics Apparatus |
| GED – 232 | Photo Diode Characteristics Apparatus |
| GED – 233 | Photo Transistor Characteristics Apparatus |
| GED – 234 | Characteristics of Opto Electronic Devices |
| GED – 235 | Solar Cell Characteristics Apparatus |
| GED – 237 | Tunnel Diode Characteristics Apparatus |
| GED – 238 | Measurement of Peak, Average and RMS Value of AC Signal |
| GED – 239 | Verification of KCL and KVL (Kirchoffs Law) |
| GED – 240 | Resistance in Series and Parallel Apparatus |
| GED – 241 | Ohm’s Law Apparatus |
| GED - 241A | Ohm’s Law Apparatus with power supply |
| GED – 242 | Charging and Discharging of Condenser with 2 Meter |
| GED – 243 | Flashing and Quenching of Neon Apparatus |
| GED – 244 | BH Curve Apparatus |
| GED – 245 | Conversion of Galvanometer in to a Voltmeter |
| GED – 246 | Conversion of Galvanometer in to a Ammeter |
| GED – 247 | Conversion of Galvanometer in to a Voltmeter and Ammeter |
| GED – 248 | Voltage Doubler and Trippler Circuit |
| GED – 249 | LCR Resonance Apparatus |
| GED - 249A | LCR Resonance Circuit with Built in Sine Wave Oscillator |
| GED – 250 | LCR Impedance Circuit Apparatus |
| GED – 251 | RC Circuit as High Pass and Low Band Pass Filters |
| GED – 252 | Clipping and Clamping Circuit Apparatus |
| GED – 253 | Clipping Circuit Apparatus |
| GED – 254 | Clamping Circuit Apparatus |
| GED – 255 | Half Wave / Full Wave and Bridge Rectifier Apparatus |
| GED - 255A | Half Wave Rectifier Apparatus |
| GED - 255B | Full Wave Rectifier Apparatus |
| GED – 256 | Ripple Factor Apparatus |
| GED – 257 | Study of Voltage Regulation using IC 317 |
| GED – 258 | Study of Voltage Regulation using Zener Diode and Transistors |
| GED – 259 | Study of Voltage Regulation using 78 Series Voltage Regulators |
| GED – 260 | Study LR Circuit with a Source of Alternating E.M.F. |
| GED – 261 | Study of Switching action of a Transistor (BJT) |
| GED – 262 | Discrete Component Trainer (Analog Component Trainer) |
| GED – 263 | Transformer Characteristics Apparatus |
| GED – 264 | Choke Characteristics Apparatus |