Monday
September 22, 2014

Homework Help: physics

Posted by BOBBY on Monday, April 16, 2012 at 6:04pm.

One mile of copper wire has a resistance of 13 Ω. Using the wire to electrically connect two terminals that are half a mile apart, rank the following situations in order of increasing resistance.

I. Use the full length of wire.
II. Cut the wire in half and use only one half.
III. Cut the wire in half and use both halves, connecting both wire ends at both terminals.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - Two wires are identical, except that one is aluminum and one is copper...
Physics - Two wires with the same resistance have the same diameter but ...
Physics - A copper wire has a resistance of 24 Ω at 20C. An aluminum wire ...
physics - Consider two copper wires with the same cross-sectional area. Wire A ...
physics Important please - A metal wire has a resistance of 8.00Ω at a ...
physics - Suppose that you wish to fabricate a uniform wire out of 0.900 g of ...
physics - As part of a class project you are given 0.900 g of nichrome and asked...
Physics - You've made the finals of the Science Olympics! As one of your tasks, ...
Physics - A piece of copper wire has a resistance per unit length of 5.50 x 10...
physics - The magnetic field in a loudspeaker is 0.2 T. The wire consists ...

Search
Members