HALF WAVE/FULL WAVE & BRIDGE RECTIFIER APPARATUS – GUPTA BRAND 200255

Objective : To study Efficiency & Ripple factor in case of Half wave, Full wave & Bridge rectifier on application of load & filters.
Features : Instrument comprises of AC Power Supply, 2 meters to measure Output Voltage & Output current, 4 PN Junction Diodes, Filter Circuit Kit, load Resistances selectable using band switch.

LCR RESONANCE APPARATUS – GUPTA BRAND 200249

200249 A LCR RESONANCE CIRCUIT WITH BUILT IN SAME WAVE OSCILLATOR
Objective : To Plot Frequency Vs. Current Characteristics of LCR circuit when connected in series or in parallel.
Features :Instrument comprises of 3 Resistances, 3 Capacitors & 1 Inductance connected inside & connections brought out at Sockets. 2 AC moving coil meters to measure voltage & current.

LDR CHARACTERISTICS APPARATUS – GUPTA BRAND 200230

Objective : To plot a graph, current Vs intensity of Light at different value of voltages.
Features : Instrument comprises of DC Regulated Power Supply 0-3 VDC/150mA, two round meters for voltage & current measurement, LDR mounted in a metal Box, connections of Supplies & LDR brought out at 4mm Sockets. Lamp Holder with100 W Bulb & 50 cm wooden plank are given with this apparatus