TRIAC is a semiconductor power electronic device which contains____________?
A. Two SCR’s connected in reverse parallel
B. Two SCR’s connected in parallel
C. Two SCR’s connected in series
D. Two BJT’s connected in series
A. Two SCR’s connected in reverse parallel
B. Two SCR’s connected in parallel
C. Two SCR’s connected in series
D. Two BJT’s connected in series
A. Is equal to the source resistance
B. Greater than the source resistance
C. Smaller than the source resistance
D. None of these
a. Reversal of power can be controlled by firing angle
b. Very good dynamic behavior
c. They can link two AC system operating unsynchronized
d. All of these
A. Directly proportional to Vm of supply voltage
B. Inversely proportional to Vm of supply voltage
C. Inversely proportional to L in the circuit
D. Both A and C
A. SIT
B. SITH
C. GTO
D. SCR
A. 2 terminal switch
B. 2 terminal bilateral switch
C. 3 terminal bilateral switch
D. 3 terminal bidirectional switch
A. Frequencies above 20 kHz
B. Frequencies above 1000 kHz
C. Frequencies less than 10 Hz
D. 50 Hz frequency