What was the resistance (r) of the original length of wire?

A length of wire is cut into 7 equal pieces. The 7 pieces are then connected parallel, with the resulting resistance being 5 Ω.

What was the resistance r of the original

length of wire?

Answer in units of Ω.

1 Answer

  • 7 months ago
    Best Answer

    When you connect 7 equal resistors in parallel, the equivalent resistance is 1/7 of the resistance of the individual resistors. So each piece has resistance 35 Ω. The entire wire is 7*35 Ω

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