Sunday
April 20, 2014

Homework Help: Physics!! Help!!!!!

Posted by Melissa on Wednesday, February 15, 2012 at 1:07am.

A wire of length L and cross-sectional area A has resistance R. What will be the resistance R_stretched of the wire if it is stretched to twice its original length? Assume that the density and resistivity of the material do not change when the wire is stretched.
Express your answer in terms of the wire's original resistance R.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A wire of cross-sectional area 5.00x10^-6 m^2 has a resistance of 1.75...
College Physics - A wire P has resistance R. If the wire is stretched and its ...
physics A - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - a wire whose cross-sectional area is 4mm^2 is stretched by 0.1 mm by a...
Physics - The drawing shows two crates that are connected by a steel (Young's ...
Chemstry - A 4.1089 g piece of aluminum wire with a circular cross section is 42...
physics - German silver wire has a cross-sectional area of 2.047 x 10^-3 cm^2. ...

Search
Members