Reference: Lab Experiments Journal vol-14, No.2, Page-129

Resistivity of a wire

Experiment(s):

Determination of resistivity of a wire

Specifications

1 . Teak wood meter bridge

                    Material: Teak wood
Length: 1 m
Connectors: Brass with zinc coating
Test sample wire: Nichrome

2 . Power supply

                    Battery eliminator
Regulated output: 1.2, 2, 4, 6, 8, 10 & 12 V

3 . Ammeter

                    Range: 0 - 2 A
Resolution: 0.02 A

4 . Voltmeter

                    Range: 0 - 10 V
Resolution: 0.1 V

5 . Rheostat

                    Tube length: 300 mm
Contact: Spring loaded copper blades
Resistance wire: Nichrome
Terminals: 3 ( X-0-Y )
Max. resistance: 100 Ω

6 . Patch cords

                    Set of standard required patch  cords

Kamaljeeth