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20 November, 11:59

What type of ions are electrons colliding with to cause resistance in a circuit?

A. Metalloids

B. Metallic

C. Gases

D. Non-metallic

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Answers (2)
  1. 20 November, 14:10
    0
    B. Metallic

    Explanation:

    It is the metallic ions that offer resistance to the electron flow.

    Resistance in a circuit is due to the opposition to the flow of current (flow of electrons). Resistance depends on the characteristics of the material, like resistivity, length and area of cross section of the metal.

    If a material has more resistivity, resistance is more and vice versa. If the length is more or if the length is increased, keeping the area of cross section same, for a given material, the metallic ions colliding with the electrons have to travel a greater distance, there by increasing the resistance.
  2. 20 November, 15:10
    0
    The type of ions that electrons collide with to cause resistance in a circuit is B. Metallic
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