Q. 173.8( 5 Votes )

a. Table gives th

Answer :

a. Conductor has very low resistance in order to allow the free flow of electrons through them. Therefore Material A is the best conductor because it has the low resistivity which implies low resistance.

Insulators are the materials having high resistance. Therefore Material B is the insulator because it has the highest resistivity which implies high resistance.

b. The Resistivity of the wire will not change with the change in length. Resistivity is a property of the wire, it doesn't depend upon it’s length or cross-sectional area.

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