When the two coil sides forming a coil are spaced exactly one pole pitch apart they are said to be of
A). short pitch
B). full pitch
C). either of the above
D). none of the above
1. Lenz's law is a consequence of the law of conservation of
2. On the average the ampere-hour efficiency of an Edison cell is about
3. An instrument to be used for measurement and control should preferably have
4. A separately excited generator as compared to a self-excited generator
5. Transformer breaths in when
6. Efficiency of a power transformer is of the order of
7. The coasting retardation is around
8. A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is
9. By the use of which of the following D.C. can be obtained from AC.?
10. The active materials on the positive and negative plates of a fully charged lead-acid battery are