Question

Airframe Electrical System

Question: What happens to the resistance of a wire if its temperature increases?

(Source: FAA AC 43.13-1B/2B)

Step 1

Resistance – at normal temperature material opposes the flow of electric charge through them, the opposition of flow of electric charge in material is known as resistance of material.

Unit of resistance is ohm(Ω).

Step 2

Relation between resistance of material and temperature is defined as

Step 3

From equation (1)

Resistance of wire material is directly proportional to temperature.

So that,

If temperature of wire material increases, then resistance ...

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