Temperature generally increases the energy in a substance. We have noticed that when we heat water it changes its state from liquid to gas. What do you think will be the effect of heat on a metal that is a conductor?
a) A metal will turn into a good conductor.
b) A metal will turn into a bad conductor.
c) No effect on the conduction of the material.
d) Will depend upon the nature of the material.
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Answer:
B)
Explanation:
On increasing temperature, the kinetic energy of the free electrons on the conductor increase and they start colliding which increases the resistance.
Hence the conductivity of the conductor decrease.
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