Identify A and B current limiting techniques in a.c. to d.c. power supplies respectively, in the graph below.

A. Current limiting mode, Constant Current mode
B. Re-entrant limiting mode, Current limiting mode
C. Current limiting mode, Fold back limiting mode
D. Fold back limiting mode, Re-entrant limiting mode
Answer: Option B
Related Questions on Power Electronics
A. Two pn junctions
B. One pn junction
C. Three pn junctions
D. None of the above
The UJT may be used as ___________.
A. Am amplifier
B. A sawtooth generator
C. A rectifier
D. None of the above

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