161. Photo Cell Characteristic Apparatus : (Valve type) A complete unit is assembled on hylam sheet along with a cell on front panel and schematic diagramme to demonstrate the working. The unit consists of power supply two analog meters and light source.
162. Planks Constant Apparatus With Digital Meters : The unit consists of built-in power supply, and two digital meters, to read current and voltage. Set of three filters, Photo Cell Type 868 or equivalent, Light source etc.
163. Photo Cell : Valve type, nicely mounted in the box.
164. Photo Voltic Cell (Solar Cell) : Selenium nicely mounted on base with schematic Diagramme.
165. Solar Cell Characteristic Apparatus : The Unit comprises of two moving coil meters, solar cell
166. LED Characteristic Apparatus : Complete in all respects with Built in Power Supply and two meters
167. Photo Diode Characteristic Apparatus : With Built in Power Supply and two meters for measurement of voltage and current.
168. LDR Characteristic Apparatus : With Built in regulated Power Supply and two meters. Complete in all respect with light source.
169. Photo Transistor Characteristic Apparatus : It is provided with regulated power supply. Two meters aresupply. Two meters are provided toread voltage and current. Fully self contained unit.
170. Photo Diode/Photo Transistor/L.E.D. Characteristics Apparatus : The apparatus is designed to study the characteristics of Photo Diode/Photo Transistor and L.E.D. Consists of meters continuous variable regulated power supply and light source.
e/m Apparatus
201. E/m By Thompson Method (bar Magnet) : The apparatus is designed to work on mains, with built-in power supply. It is provided with other accessories such as wooden stands. Deflection magnetometer, pair of bar magnet. Very easy to handle and compact in size. Fully self contained.
203. E/m by Helical Method : The apparatus is designed to work on main with built in power supply. It is provided with solenoid, cathode Ray Tube etc. Fully self contained.