purchase of lab equipments and devices for physics lab , name of the equipment , universal b-h curve tracer: main electronic unit with built in power supply, magnetizing coil, magnetic field sensing probe, holder for magnetizing and sensing probe, samples of different materials (4 nos.). , dielectric constant for ceramics kit with furnace: main unit having audio oscillator (1 khz), digital voltmeter (0 – 9.99 v dc), standard capacitance and electronic circuitry. dielectric cells: 75 mm gold plated brass discs (1 set) and 25 mm gold plated brass discs (1 set). samples : low range : glass, backelitehi range : pzt disc , plancks constant measurement kit: specially designed variable power supply (0 – 5 v) whose output can be varied in steps of 1 mv. digital microammeter, digital voltmeter (0 – 9v), calibrated leds : 4 nos , boltzmann constant measurement kit: a digital millivoltmeter (0 – 9.99 v) to measure the voltage across the diode.a highly stabilized power supply whose voltage can be varied in steps of 1 mv using a ten – turn potentiometer. a digital current ammeter ( 0 – 500 ma). diodes: silicon diodes & germanium diodes. , logic gate trainer kit (and, or, not, nand, nor):ics relevant to the gates mentioned above (100 nos each). , tunnel diode characteristics apparatus: power supply: 230v, 50hz +10% check valve type: tunnel diode 1n3717 connector type: 3 pin plug display type: led / lcd input voltage: 230v, 50hz +10% tunnel diodes: 10 nos. , dc regulated power supply: tunable 0 to 32 v, 5 a output, tunable/controlled voltage and current, led displays can indicate voltage and current. , analog and digital trainer: all in built (+/- 5 v dc, +/- 12 v dcpower supply, tunable 0 to 5 v & 0 to 12 v, bread board, variable) => limited