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4 May, 23:31

The resistance of several materials are shown in the table. Based on this, which material has the best conductivity? Material Resistance (ohms) Aluminum 0.0000000282 Carbon (Graphite) 0.000035 Germanium 0.46 Silicon 640

A. aluminum

B. Carbon (Graphite)

C. Germanium

D. Silicon

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Answers (2)
  1. 5 May, 00:20
    0
    it is A aluminum
  2. 5 May, 02:30
    0
    Aluminium has best conductivity

    So option (a) will be correct answer

    Explanation:

    We have given material resistance of of different material

    Aluminium = 0.0000000282 ohm

    Carbon = 0.000035

    Germanium = 0.46 ohm

    And silicon = 640 ohm

    We know that resistance is the opposition in flow of current and conductivity of the material is inversely proportional to the resistance

    So the material which has less Resistance will have high conductivity

    As aluminium has less resistance so it will have high conductivity

    So option (a) will be correct answer
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