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AdmiralZ
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How does the resistance of a non-conductor, eg. a brick change with temperature. Does it conform to the wire where resistance increases with temperature, or is it different?
The resistance of a material increases as its temperature increases. This is because as the temperature increases, the atoms in the material vibrate more, causing more collisions with electrons and increasing the material's resistance.
As the temperature increases, the atoms in the material vibrate more, causing more collisions with electrons. This increased collision rate leads to a higher resistance as there is more opposition to the flow of electric current.
Yes, the formula is R = R0(1 + α(T-T0)), where R is the resistance at temperature T, R0 is the resistance at a reference temperature T0, and α is the temperature coefficient of resistance for the material.
The temperature coefficient of resistance varies among different materials and is dependent on their atomic structure and bonding. For example, metals typically have a positive α, while semiconductors have a negative α.
Yes, temperature can affect the resistance of electronic components, which can lead to inaccuracies in their functioning. This is why many electronic devices have temperature compensation circuits to minimize the impact of temperature on their accuracy.