Answer:
(i) Graph (i) (i) (ii)
Represents variation of conductivity of metals with temperature
in which conductivity decreases with increase in temperature because on
increasing temperature the movement of positively change kernels also increases
which obstructs the flow of electrons.
(ii) Graph (ii)
Represents variation of conductivity of semiconductors with
temperature.
Conductivity of semiconductors increases with in crease in temperature
since movement of holes as well as electrons becomes faster.
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