# Power and Resistance

Not what you're looking for? Search our solutions OR ask your own Custom question.

A wire 1.2 m long and 0.4 mm diameter has a resistance of 4.9. Calculate the resistance of another wire of the same material whose length is 0.8 m and diameter is 0.24 mm.

Â© BrainMass Inc. brainmass.com September 26, 2022, 9:04 pm ad1c9bdddfhttps://brainmass.com/physics/power/power-resistance-38534

#### Solution Preview

Recall:

R = pL/A

where resistivity, p, is constant since it ...

#### Solution Summary

This solution is provided in 54 words. It provides an equation for resistance to find resisitivity and then resistance of the second wire.

$2.49