Heat control switches are used in
A). Transformers
B). Cooling ranges
C). Three phase induction motors
D). Single phase
1. Short-circuit test on an induction motor cannot be used to determine
2. ___________ rectifier has the lowest forward resistance
3. The maximum usable range of the usual radar set (on any particular range setting) is determined by
4. Slip of an induction motor is negative when
5. The load factor for domestic loads may be taken
7. Mains a.c. power is converrted into d.c. power for ___________
8. When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance
9. The first order control system, which is well designed, has a