MCQ
A semiconductor is cooled from $T _1 K$ to $T _2 K$. Its resistance
- AWill decrease
- ✓Will increase
- CWill first decrease and then increase
- DWill not change
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Take $\mathrm{O}$ to be the centre of the circle of radius $\mathrm{R}$ and angle $\mathrm{CAB}=60^{\circ}$
Figure:$Image$ 
