What is the resistance of a section of wire, Physics

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What is the resistance of a section of wire

A section of wire 10.0 m long has a resistance of 4.00 O. (a) What is the resistance of 25.0 m of this wire? (b) What is the resistance of a 10.0 m section of wire of the same material with half the diameter? (c) What is the resistance of a wire whose length is 20.0 m and diameter is twice as large as the wire in part a?

The answers in the book are

(a) 10.0 O

(b) 16.0 O

Please explain how to get these answers.

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Physics: What is the resistance of a section of wire

Reference No:- TGS0747929

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Recent Questions Asked Physics

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Ask an Expert for Answer!!

Physics: What is the resistance of a section of wire

Reference No:- TGS0747929

Recent Questions Asked Physics

Q : Find ratio of heat transfer from source to heat transfer

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