tender for purchase of non-consumables for physics lab in basic engineering (first year) department = limited- 2 joule calorimeter - copper vessel, battery eliminator 3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0 2a), voltmeter (0-5v), thermometer (alcohol), stop clock 3 ic regulated battery eliminator- ic regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a. 4 galvanometer- moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivity 0.143mm/v 5 voltmeter- dc voltmeter; range 0–10 v, analog 6 ammeter- dc (0 - 2 amp) 7 parallelogram apparatus- parallelogram law of forces apparatus fitted with stand 8 decade resistance box- resistance box 12 month warranty (dial type) -manganin coil- 2 dials 9 sonometer apparatus- sonometer with meter scale attached along with knife edge, tuning forks set 256, 384, 512 ranges, hammer, slotted weight - 500 gm each to a total of 3 kg. brass wire (5 m) 10 travelling microscope- branded travelling microscope 0 200 mm horizontal and 0-150 mm vertical measurement 11 potentiometer - it features a 1-meter to 10-meter constantan/manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements. 12 viscosity apparatus – stokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm) 13 rheostat - high-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10ω–100ω. 14 deflection magnetometer apparatus - deflection magnetometer apparatus with compass box and two short bar magnets 15 solar cell kit- the apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0 5v. light source is provided by led. the illumination intensity of the led can be controlled 16 wheatstone bridge kit- series arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge. 17 ohms law verification kit- battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin 18 boyle’s law apparatus - the apparatus includes the quill tube, a retort stand, a clamp, and a mounted meter scale. quill tube specifications: length: approximately 50 cm. bore diameter: uniform bore, roughly 1 mm to 2 mm. construction: glass tube with one end sealed. trapped substance: a mercury pellet (or thread) of length 10 to 15 cm is introduced to enclose a column of air. mounting: attached to a half-meter or meter scale. 19 torsional pendulum - torsional pendulum metallic disc, symmetrical masses and pendulum stand, steel wire 20 compound bar pendulum- one meter long iron strip well painted with holes at a distance of every 5 cm and also with pair of brackets and a heavy base table top stand with stop clock 21 helical spring apparatus-- structure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests. springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long. measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom.pointer: a fine pointer attached to the bottom of the spring moves along the scale. accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.