A. SIT is a high power, high frequency device
B. SIT is a high power, low frequency device
C. SIT is a high power, high voltage device
D. SIT is a low power, high frequency device
A. charge carriers of J2 junction recombined
B. charge carriers of J2 junction is swept out
C. charge carrier of J1 junction removed
D. charge carriers of J3 junction is removed
A. Frequencies above 20 kHz
B. Frequencies above 1000 kHz
C. Frequencies less than 10 Hz
D. 50 Hz frequency
A. 1500 A.
B. 6000 A.
C. 2121.32 A.
D. 4242.64 A.
A. Only amplitude of voltage is controllable
B. Only phase is controllable
C. Both amplitude and phase is controllable
D. Amplitude, phase and frequency of voltages should always be controllable
A. Motors
B. Switches, radio interferences
C. Computers, digital electronics
D. All of these
A. Phase current
B. Three times the phase current
C. Three times the line current
D. Zero at all times