Resistivity I understand this I need to look over this I need help with this Resistivity

I understand this I need to look over this I need help with this RESISTIVITY To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions

RESISTIVITY Resistance: Resistivity: I understand this I need to look over this I need help with this RESISTIVITY Resistance: Resistivity: To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions

I understand this I need to look over this I need help with this RESISTIVITY Resistance is the property of the object (e.g. copper wire), whereas resistivity is the property of the So for example take two objects A and B made of copper. Both are of a different size. The resistance of A & B will be But the resistivity will be the To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions

I understand this I need to look over this I need help with this RESISTIVITY The resistance of a material is proportional to its length, i.e. the longer it is the higher R; The resistance of a material is inversely proportional to its cross sectional area, i.e. the thicker the wire the lower R. To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions

I understand this I need to look over this I need help with this RESISTIVITY R ∝ L/A To turn this proportionality into an equation we need to add a constant of proportionality (k). E.g. the time a car is driven for is proportional to the distance it will travel. The constant of proportionality is the speed it is travelling. The amount of money I earn is proportional to the time I work. The constant of proportionality is the hourly wage. To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions

I understand this I need to look over this I need help with this RESISTIVITY R ∝ L/A To turn this proportionality into an equation we need to add a constant of proportionality (k). What are the units of ρ? To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions

I understand this I need to look over this I need help with this RESISTIVITY The resistivity of a material and the conductivity of a material are inversely linked. Good conductors have a low , while poor conductors (insulators) have resistivities that can be larger. A low resistivity indicates a material that To be able to distinguish between resistance and resistivity Select and use appropriate equations Apply to more complex questions