Which of the following is used in SCR to protect from high dV / dt__________________?
A. Snubber circuit
B. Fuse
C. Equalizing circuit
D. Circuit breaker
COOLMOS device can be used in application up to power range of___________?
COOLMOS device can be used in application up to power range of___________?
A. 1 KVA
B. 2 KVA
C. 500 VA
D. 100 KVA
What is used to protect a thyristor from high di / dt conditions__________?
What is used to protect a thyristor from high di / dt conditions__________?
A. Fuse.
B. Snubber circuit
C. Inductor
D. Voltage clamg device
Compared to transistor, _________ have lower on state conduction losses and higher power handling capability?
Compared to transistor, _________ have lower on state conduction losses and higher power handling capability?
A. TRIACs
B. Semi conductor diodes
C. MOSFETs
D. Thyristor
Materials used in heat sink should have_____________?
Materials used in heat sink should have_____________?
A. high thermal conductivity
B. large surface area
C. high melting point
D. All of these
A thyristor can termed as__________?
A thyristor can termed as__________?
A. AC switch
B. DC switch
C. Both a and B
D. Square wave switch
Which of the following is used in heat sink_____________?
Which of the following is used in heat sink_____________?
A. Iron
B. Aluminium
C. Carbon
D Silver
How can we protect SCR from thermal conditions _____________?
How can we protect SCR from thermal conditions _____________?
A. Use of snubber circuit.
B. Using heat sink.
C. Using CB and fuse.
D. Using equalizing circuit
Thyristor is nothing but a____________?
Thyristor is nothing but a____________?
A. Controlled transistor
B. Controlled switch
C. Amplifier with higher gain
D. Amplifier with large current gain
Gate circuit or triggering circuit of a thyristor is
Gate circuit or triggering circuit of a thyristor is
A. lower power circuit.
B. high power circuit.
C. magnetic circuit.
D. may be low power or high power circuit