The specific resistance of platinum at 0°c is 10.3 µ2.cm . how long must a wire of platinum be to have a resistance of 4 2 at 0°c , if the diameter ( d) = 0.0274 What will be the resistance of the wire at 100°c if the temperature coefficient ( °c ) of platinum is 0.0038 per °C. %3D

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.