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Home
All Subjects
CSS
CSS MPT
CSS Subjects MCQs
CSS Past Papers
Past Papers
Testing Agencies Papers
Departmental Past Papers
Post Wise Papers
Service Related MCQs
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FPSC
PPSC
SPSC
BPSC
KPPSC
Current Affairs
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Subject:
Physics
Semi-conductors with donor atoms and free electrons belong to the type________________?
A.
n
B.
p
C.
mix
D.
any of above
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