# Answer to Question #14784 in Electromagnetism for Gio

Question #14784

A potential difference of 12 V produces a current of 0.40 A in a piece of copper wire. What is the resistance of the wire ?

Expert's answer

Let's use the Ohm's law:

I = U/R ==> R = U/I = 12V/0.4A = 30 Ω.

I = U/R ==> R = U/I = 12V/0.4A = 30 Ω.

Need a fast expert's response?

Submit orderand get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

## Comments

## Leave a comment