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RESISTIVITY OF A WIRE

Experiment(s):

1. Determination of resistivity of a wire



Specifications:

a) Teak wood meter bridge
Material: Teak wood
Length: 1 m
Connectors: Brass with zinc coating
Test sample wire: Nichrome
b) Power supply
Battery eliminator
Regulated output: 1.2, 2, 4, 6, 8,
10 & 12 V

c) Ammeter
Range: 0 - 2 A
Resolution: 0.02 A

d) Voltmeter
Range: 0 - 10 V
Resolution: 0.1 V

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

f) Patch cords
Set of standard required patch
cords

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