A. Electric traction
B. Electric vehicles
C. Machine tools
D. All of these
A. Positive voltage at the gate terminal
B. Negative voltage at the gate terminal
C. Either (a) or (b)
D. None of these
A. By applying a gate pulse and turned off only when current becomes zero
B. And turned off by applying gate pulse
C. By applying a gate pulse and turned off by removing the gate pulse
D. By making current non zero and turned off by making current zero
A. AC – AC converters
B. AC – DC converters
C. DC – AC converters
D. DC – DC converters
A. SIT
B. SITH
C. GTO
D. SCR
A. junction J2 is in reverse bias and J1, J3 is in forward bias.
B. junction J3 is in forward bias and J1, J2 in reverse bias.
C. junction J1, J3 is in reverse bias and J2 is in forward bias.
D. junction J1 and J2 is in forward bias and J3 is in reverse bias.
A. high thermal conductivity
B. large surface area
C. high melting point
D. All of these