Question

Is resistivity good or bad?

Answer 1

Resistivity itself isn't inherently "good" or "bad." It depends on the context in which you're talking about it.

What is resistivity?

Resistivity is a property of a material that tells you how much it resists the flow of electric current. It’s measured in ohm-meters (Ω·m). Materials with low resistivity allow current to flow easily (like copper), while materials with high resistivity resist current flow more (like rubber or wood).

Good or Bad?

1. Good: Materials with low resistivity, like copper or aluminum, are ideal for making electrical wires because they let electricity pass through them with minimal resistance. So, for electrical applications, low resistivity is considered "good."
   

  

1. Bad: For insulators, like rubber, glass, or plastic, high resistivity is "good" because they stop the flow of electricity, keeping us safe and preventing short circuits.
   

So, whether resistivity is "good" or "bad" depends on whether you're looking for a conductor (low resistivity) or an insulator (high resistivity). It’s all about the purpose of the material!