Power Electronics Daily Quiz #5
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Know MoreQuestion 1
Rise time of scr depends on-
1 Gate current or rate of rise of gate current
2 Structure of scr
3 Load parameters
4 None
Question 2
Spread time depends on-
1 Gate current or rate of rise of gate current
2 Structure of scr @
3 Load parameters
4 None
Question 3
St1: Light triggering is more efficient and reliable for multiple scr.
St2: LASCR is used in HVDC application.
1 Both are correct and St2 is correct explanation of St1
2 Both are correct but St2 is not correct explanation of St1
3 St1 is correct but St2 is wrong
4 St2 is correct but St1 is wrong
Question 4
The advantage/s of pulse transformer is/are-
1 Low and high power circuits are isolated.
2 Has smaller size.
3 Less cost than normal transformer.
4 All
Question 5
An inductor is connected in series with a diode to an alternating source. How long does the diode conduct?
1 90 degrees
2 180 degrees
3 270 degrees
4 360 degrees
Question 6
A Capacitor is connected in series with a diode to an alternating source. How long does the diode conduct?
1 90 degrees
2 180 degrees
3 270 degrees
4 360 degrees
Question 7
An inductor- capacitor combination connected in series with a diode to a dc source. How long does the diode conduct?
1 90 degrees
2 180 degrees
3 270 degrees
4 360 degrees
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