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PHYSICS_2_2 ONLINE TEST
MEASUREMENT_2
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Q.16 In Hot point probe measurement if carriers are positive, current flow in_____ direction.
1 point
same
Opposite
Both A and B
None of the above
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Q.17 In Hot point probe measurement if hot side is negative, the sample is ___type
1 point
P
N
PN
NP
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Q.18 CVT technique use for ____measurement.
1 point
Capacitance of hole
Junction capacitance
Material capacitance
Layer capacitance
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Q.19 In CVT method_____ behaves like capacitor.
1 point
Hall
Charge particle
Depletion region
Conduction region
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Q.20 Diffuse capacitance occurs due to stored charge of ____ carrier.
1 point
Minority
Majority
Hall
all of the above
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Q.21 IN diode I-V characteristic Ideality factor for real diode is?
1 point
Less then 1
Greater than 1
equal to 1
zero
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Q.22 Transient Spectroscopy used in which method?
1 point
DALT
DLTS
DSTL
DTLS
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Q.23 DLTS method use for identify ____in semiconductor
1 point
current flow
doping level
impurities
Mobility charge
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Q.24 UV spectroscopy method applicable for ____ measurement
1 point
Energy bandgap
Energy flow
Energy emission
Energy diffusion
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Q.25 Which instrument used in UV spectroscopy?
1 point
UV emission photometer
UV band photometer
UV spectro photometer
UV diffusion photometer
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Q.26 In UV spectroscopy Tungsten lamp use for achieving____
1 point
Heat
Light
Laser beam
Flood light
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Q.27 Which relation used to determine bandgap in semiconductors?
1 point
Traser
Tauc
Taupy
Tenli
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Q.28 In UV spectroscopy which principle used for energy bandgap measurement?
1 point
Spectrum combination
Spectrum desolation
Spectrum absorption
Spectrum modification
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