(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A block of carbon is 3cm long and has a square cross section whose sides are .5cm long. A potential difference of 8.4V maintained across its length.

a)What is the resistance of the block?

b)What is the current in this resistor?

2. Relevant equations

R=pL/A

where p is resistivity

3. The attempt at a solution

I'm fairly certain i can solve this problem right quick if I could understand what exactly the block looked like. The description just doesn't make sense to me. I'm not sure if you can draw pictures on this or not but a picture would be helpful if someone can make one. Thanks.

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# Homework Help: Resistivity and Ohm's Law

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