Monday
July 28, 2014

Homework Help: physic

Posted by hans on Friday, February 11, 2011 at 5:13am.

The resistance of a copper wire of diameter 10mm and length 2m is 15 Ω. Determine the new resistance if
i) the length is doubled and the diameter halved
ii) the length increases by three fold and the diameter doubled
iii) the length decreases by two fold and the diameter is halved
iv) the length increases by four fold and the diameter is trebled

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - Two wires with the same resistance have the same diameter but ...
Math - The resistance(r)of a wire varies directly as the length(L)of the wire ...
physics - What is the resistance of a 7.4-m length of copper wire 1.2mm in ...
physics - the resistance of copper wire of length 1m is 0.1 ohm the diameter of ...
physics - A wire is made of a material with a resistivity of 4.85109 10−...
Algebra II - The resistance of a wire is inversely proportional to the square of...
Physics - If a wire of resistance R, resistivity "roe", length L, and cross ...
physics - Suppose that you wish to fabricate a uniform wire out of 0.900 g of ...
physics - the resistance of a certain length wire having diameter 5mm is 10 ...
physics - the resistance of a certain length wire having diameter 5mm is 10 ...

Search
Members