Friday
April 25, 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 - A certain copper wire has a resistance of 12.0 \Omega.At what point ...
Physics - Two wires are identical, except that one is aluminum and one is copper...
physics - Suppose that you wish to fabricate a uniform wire out of 0.900 g of ...
Physics - (1) 45 micro coulombs of charge is passed through a wire in 35 seconds...
Physics - A copper wire has a resistance of 24 Ω at 20C. An aluminum wire ...
Physics - You've made the finals of the Science Olympics! As one of your tasks, ...
Physics resistance question - A piece of copper wire of resistance R is cut into...
physics - the resistance of copper wire of length 1m is 0.1 ohm the diameter of ...
Physics - You have a piece of copper with a volume of 2 cm3, and wish to form a ...
Physics - Two wires with the same resistance have the same diameter but ...

Search
Members