Electronics and Electricals

To plot reverse saturation current Vs Temperature in reverse biased PN junction Diode. Instrument consists of DC Regulated Power Supply 0-IV DC/500 mA, two round meters for voltage & current measurement, one PN Junction Diode is in Oven, 100ºC thermometer provided with temperature control system. Dimension 10"x8"x5".

To plot -ve Resistance co-efficient Characteristics of a Thermistor. Instrument comprises of DC Regulated Power Supply 0-IV-DC/1 mA, two meters for voltage & current measurement, one Thermistor and a Oven. Connections of Supplies, Meters & Thermistor brought on terminals provided with thermometer. Dimension 10"x8"x5".

To plot V-I Characteristics & to measure interbase resistance. Instrument comprises of Two DC Regulated Power Supplies 0-10V, DC/30 mA & 0-IV, three round meters for voltage & current measurement, one UJT 2N2646 mounted on panel, connections of Supplies, Meters & UJT brought on terminals. Dimension 15"x8"x4".

The experiment consists of the following :

(i)	Four Probe Arrangement
(ii)	Oven (upto 200ºC)
(iii)	Sample : Ge Crystal mounted
(iv)	Thermometer (0-200ºC)
(v)	Four Probe Setup

(a)	Constant Current power supply digital Accuracy : +0.25% of the reading +1 digit Load Regulation : 0.03% for no load to full load
(b)	Electronic Millivoltmeter 200 mV Accuracy : + 0.1% of reading = 1 digit Impedence : 1 Mohm

Display : 3½ digit, 7 segment LED (12.5mm) height with auto polarity and decimal indication.

To study susceptibility of Ferous Solution in strong magnetic field, complete apparatus consisting of electromagnet of 7.5 K.G. strength with its Power Supply 0-100V variable 4 Amps. Digital Gauss Meter 0-20 Kg with Hall Probe., Graduated Capillary tube with stand.

The set up consists of Electromagnet of 7-5 K.G., Power Supply for Electromagnet 0-100V, 4 Amps with meter, Germanium Crystal mounted and its constant current power supply 0-20mA fitted with two Digital Meters for Halls Voltage and Crystal Current. Gauss Meter Digital 0-20K.Gauss with Hall Probe

To determine velocity of ultra sonic wave) Complete apparatus with R.F. Oscillator 3-8 Mhz, Crystal with tank, Specto meter of 9" bed, Sodium Lamp with Wooden Box and Transformer.

To calculate dielectric constant of liquids and solids. The instrument consists of high frequency oscillator of tuneable with outer gang condenser optimum tunning is indicated on meter. The change after placing dielectric between parallel plates is again detected and difference noted for calculation.

To plot VDS VSID for different values of VGS. Instrument comprises of Two DC Power Supplies 0-10V, DC 10mA & 0-5V DC, three meters for voltage & current measurement, one Mosfet no. TRF 840 mounted on panel, connections of Supplies, Meters & Mosfet brought out terminals. Dimensions 11"x8"x4".

To study Characteristics & Applications of Diac, Triac, UJT & SCR. Instrument comprises of Three DC Regulated Power Supplies 0-15 VDC/150mA, 0-50 VDC/100 mA & 0-2.5V DC/200 mA, four dual range meters for voltage & current measurement, UJT, SCR, Diac, Triac & their supportive components mounted on panel, connections of Supplies, Meters & componentsbrought on terminal. Dia mention 15"x8"x4".

To study VI Characteristics of Diac. Instruement comprises of DC Regulated Power Supply 0-50 VDC/100mA, two round meters for voltage & current measurement, one Diac mounted on panel, connections of Supplies & diac brought at terminals. Dimension 15"x8"x4".

To study the MT Characteristics with Gate Signal. Instrument comprises of Two DC Regulated Power Supplies 0-25VDC/100mA & 0-5 VDC/200 mA, three round meters for voltage & current measurement, Triac mounted on panel, connections of Supplies & Triac brought on terminals. Dimension 15"x8"x4".

To study different pattern of laser light and determine its wave length. Complete apparatus with Laser Source 5 Milli Watts with Power Supply opreatable 220V 50Hz, Optical Bench and Riders, Set of 13 experiment Kit, Laser fitted with beam expander. Single Slit, Coarse Grating, Multiple Slip, Single Taper Slit, Holes A, B, C, D, Gray Filter, Multiple slit, Circular Opaque spot, Mesh, Multiple Slit 5, Grid Pattern, Multiple Slit 2.

Instrument consists of Sine Wave generator, Step Down Transformer, Circuit Diagram for Peak & average Value measurement Printed and connections brought on terminals. Dimension 10"x8"x4".

To verify properties of Resistances when connected in series & parallel. Instrument comprises of Two moving coil meters to measure voltage & current, circuit diagram for series & parallel connections Printed, Resistance mounted along circuit. Dimension 10"x8"x3".