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25 November, 08:28

What quantities determine the resistance of a piece of material? Choose all that apply.

The length of the piece of material

The cross-sectional area of the piece of material

The type of material

The voltage across the material

The current flowing through the piece of material

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Answers (1)
  1. 25 November, 12:26
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    Option (a), (b) and (c)

    Explanation:

    The resistance of a conductor depends on the length of the conductor, area of crossection of the conductor and the nature of the conductor.

    The formula for the resistance is given by

    R = ρ x l / A

    Where, ρ is the resistivity of the conductor, l be the length of the conductor and A be the area of crossection of the conductor.

    So, It depends on the length, area and the type of material.
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