Question

distinguish between the terms electrical resistence and resistivity of a conductor

Answer 1

RESISTANCE REFER TO PUT A VARIABLE IN CIRCUIT TO OPPOSE THE FLOW OF ELECTRONS '[CURRENT]. IT CHANGES WHEN WE CHANGE 
1 TEMP.
2 LENGHT OF WIRE
3 AREA OF CROSS SECTION.

RESISTIVITY DOES NOT GET ANY CHANGE IF WE CHANGE ANY ABOVE OF THREE.
RESISTIVITY SI UNIT IS [RHO]
RISISTANCE SI UNIT IS [OHM]

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