A. Unwanted turn ON
B. Breakdown of J2 junction
C. Both A and B
D. Anyone of these
What may happen high dV / dt____________? Read More »
Power Electronics A. Kq/T
B. KT/q
C. qT/K
D. (K2/q)(T + 1/T – 1)
Thermal voltage VT can be given by____________? Read More »
Power Electronics A. Breakdown of junction
B. Local hot spot
C. Insulation failure
D. None of these
What happen due to high di / dt____________? Read More »
Power Electronics A. BJTs and SITs
B. BJTs and MOSFETs
C. SITs and MOSFETs
D. None of these
IGBT combines the advantages of_____________? Read More »
Power Electronics A. Snubber circuit
B. Fuse
C. Equalizing circuit
D. Circuit breaker
Which of the following is used in SCR to protect from high dV / dt__________________? Read More »
Power Electronics A. 1 KVA
B. 2 KVA
C. 500 VA
D. 100 KVA
COOLMOS device can be used in application up to power range of___________? Read More »
Power Electronics A. Fuse.
B. Snubber circuit
C. Inductor
D. Voltage clamg device
What is used to protect a thyristor from high di / dt conditions__________? Read More »
Power Electronics A. TRIACs
B. Semi conductor diodes
C. MOSFETs
D. Thyristor
A. high thermal conductivity
B. large surface area
C. high melting point
D. All of these
Materials used in heat sink should have_____________? Read More »
Power Electronics A. AC switch
B. DC switch
C. Both a and B
D. Square wave switch
A thyristor can termed as__________? Read More »
Power Electronics