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WorksheetsPower Semiconductor device
Total questions: 20
Worksheet time: 10mins
What is voltage control device
SCR
GTO
MOSFET
TRIAC
What is semicontrol device
SCR
GTO
MOSFET
TRIAC
What is voltage control device
SCR
GTO
IGBT
TRAIC
How IGBT is developed
MOSFET + BJT
BJT+ IGBT
MOSFET +GTO
TRIAC +GTO
Why IGBT is voltage control device
Input is BJT
Input is MOSFET
Input is GTO
Input is TRIAC
What are terminals of IGBT
G, C, S
G, C, E
G, D, S
G, A, K
what is construction of MOSFET
NPN
PNP
NNPNN
PNPPNN
What is construction of Power MOSFET
N, N-, P, N
P, N-, P, N
N, N-, P, P
P, N-, P, N
Drift region present in
Normal MoSFET
POwer MOSFET
Construction of IGBT is
P,P, N
N, N, P
PNP
NPN
Construction of Power IGBT is
P+, N-, P, N
N+, N-, P, N
P+,P-, P, N
Does gate terminal is directly connected to P layer
Yes
no
Gate terminal of MOSFET & IGBT connected through
Sio3
sio2
sio
sio4
Output characteristics of MOSFET is
Id vs Vds
Id vs Vgs
Ig vs Vds
Ig vs Vgs
Transfer characteristics of IGBT is
Ic vs Vge
Ic vs Vgs
Ic vs Vds
Id vs Vgs
Output characteristics
Io vs Vin
Io vs Vo
Transfer characteristics
Iip vs Vo
Io vs Vip
Io vs Vip
Dynamic characteristics nothing but
static
switching
both
None of the above
Switching chara of MOSFET is
Ton= td+ tr; Toff= tdf+tf
Ton= td+ tr+tp; Toff= tdf+tf
Ton= td+ tr; Toff= tdf+tf+tf2
Ton= td+ tr; Toff= tdf+tf+tp
Switching chara. of IGBT is
Ton= td+ tr; Toff= tdf+tf1+tf2
Ton= td+ tr+tp; Toff= tdf+tf
Ton= td+ tr+tf; Toff= tdf+tf
None of the above
