1.20 Classify each of the following as being either a or a semiconductor:
(ii) doped with
Si belongs to group 14 and B belongs to group 13 so it is a p-type semiconductor.
'CBSE failed us, again!': Board faces backlash as Class 12 re-evaluation portal remains inaccessible
CBSE Class 12 re-evaluation portal faces technical glitch, services to resume by 2 pm
CBSE extends deadline to download Class 12 answer sheets till May 23; re-evaluation from May 26
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