A. voltage clamping device.
B. fuse.
C. heat sink.
D. snubber circuit.
0
Practical way of obtaining static voltage equalization in series connected SCRs is by the use of____________?
0
Switching frequency of SITH is____________?
A. One resistor across the string
B. Resistors of the same value across each SCR
C. Resistors of different values across each SCR
D. One resistor in series with each SCR
0
Example of a voltage clamping device______________?
A. 5 KHz
B. 10 KHz
C. 60 KHz
D. 100 KHz
0
The maximum di/dt in a SCR is____________?
A. fast acting fuse
B. snubber circuit
C. metal oxide varistor
D. aluminium block
0
The latching current of GTO should be of order
A. Directly proportional to supply voltage
B. Directly proportional to inductance in the circuit
C. Inversely proportional to supply voltage
D. Both A and B
0
Under over voltage condition impedance offered by the voltage clamping device is__________?
A. 100 mA
B. 500 mA
C. 1 A
D. 2 A
0
Which semiconductor device acts like a diode and two transistor?
A. low
B. High
C. moderate
D. infinity
0
Under normal operating condition voltage clamping device offers impedance of_________?
A. UJT
B. Diac
C. Triac
D. SCR
0
What is used to protect the SCR from over current ________________?
A. high value.
B. low value.
C. zero value.
D. moderate value.
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