Solving Resistivity Equations: Step-by-Step Guide

In summary, the conversation discussed the difficulty of completing an equation involving voltage and current with a variable factor. The formulas used were m=y/x, m=volt/amp, r=1/m, r=p*a/l, and p=r*l/a. Despite following these formulas, the results were incorrect and the person is seeking help.
  • #1
JoneS
3
0
it all seemed pretty easy to start off with I've got all my results.
Voltage against current with a variable thing. but i can't do the equation, i have drawen up the graphs and followed the formulas but the results all come out wrong.

formulas: m=y/x m=volt/amp r=1/m which is the resistance
resistivity= r=p*a/l p=r*l/a

After competing these formulas the result comes out wrong HELP:frown:
 
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  • #2
Originally posted by JoneS
... with a variable thing.
Huh?




Originally posted by JoneS
... i can't do the equation, ...
What do you mean by this?




Originally posted by JoneS
After competing these formulas the result comes out wrong ...
What result? What are you trying to find?
 
  • #3
i know... wut the hell? did u read the question after tuyping it?
 

1. What is resistivity and why is it important?

Resistivity is a measure of a material's ability to resist the flow of electric current. It is important because it helps us understand and predict the behavior of electrical circuits and materials.

2. How do I solve resistivity equations?

To solve resistivity equations, you will need to use the formula: R = ρL/A, where R is the resistance, ρ is the resistivity, L is the length of the material, and A is the cross-sectional area. Plug in the known values and solve for the unknown variable.

3. What is the SI unit for resistivity?

The SI unit for resistivity is ohm-meter (Ω·m).

4. Can resistivity equations be applied to all materials?

Yes, resistivity equations can be applied to all materials, including conductors, semiconductors, and insulators.

5. How can knowing resistivity help in practical applications?

Knowing the resistivity of a material can help in practical applications such as designing electrical circuits, selecting materials for specific purposes, and predicting the behavior of materials under different conditions.

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