Page 428 - SEC_2017WorkingDocument_Neat
P. 428
MO CAPE CAPE 2018 U2 How the SO can be clarified? Status in
DU 2018 SO which final syllabus
LE SO # needs to be
# more clearly
stated
of conductors in Eg
order to place Conductor: n = 10 m -3
29
the values in Intrinsic semiconductor: n = 10
3
meaningful m -3
contexts. Doped [extrinsic]
19
-3
Semiconductor: n = 10 m
Compare the electrical property
of Resistivity of intrinsic
semiconductors, doped
[extrinsic] semiconductors,
conductors and insulators
Eg. At 300K:
Insulator: > 10 Ω m
7
-6
Conductor: < 10 Ω m
-6
Semiconductor: between 10
7
and 10 Ω m
2 4.10 use expressions SUGGESTED PRACTICAL Not Changed
for the gain of ACTIVITIES to suggested
both the To plot the transfer
inverting characteristic of an op. amp.
amplifier and connected as an inverting
the non- amplifier and measure its gain.
inverting See page 87 for suggested
amplifier; practical activity.
plot the
transfer
characteristic
(Vo against Vi)
of an op. amp
and measure its
gain.
3 1.2 use the use the relationship E = h f or E = Not Changed
relationship E = hc/ to solve problems; to suggested
h f to solve
problems;
3 1.5 define: define: Not Changed
to suggested
(a) work (a) work function (Φ);
function (Φ); (b) threshold frequency (fo);
(b) threshold (c) cut-off wavelength (λo); and,
frequency (fo); (d) stopping potential (Vs);
(c) cut-off
use the relationship
83

