1
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

A specimen of silicon is to be made $$P$$-type semiconductor for this one atom of indium, on an average, is doped in $$5 \times 10^7$$ silicon atoms. If the number density of silicon is $$5 \times 10^{22}$$ atom/$$\mathrm{m}^3$$ then the number of acceptor atoms per $$\mathrm{cm}^3$$ will be

A
$$2.5 \times 10^{30}$$
B
$$1.0 \times 10^{13}$$
C
$$1.0 \times 10^{15}$$
D
$$2.5 \times 10^{36}$$
2
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

A proper combination of $$3 \mathrm{NOT}$$ and 1 NAND gates is shown. If $$A=0, B=1, C=1$$, then the output of this combination is

AIIMS 2017 Physics - Semiconductor Electronics Question 1 English

A
1
B
0
C
not predictable
D
None of these
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