1. Dummy coil should not be used in
2. Which of the following essential features is possessed by an indicating instrument ?
3. Multilayer helical windings are commonly used in the transformers as high voltage windings
4. Impose limitation on design.
5. The surge phenomenon is particularly important in case of
6. Cylindrical windings using circular conductors, employed in transformers, are
7. The ratio of maximum displacement deviation to full scale deviation of the instrument is called
8. The pointer of an indicating instrument should be
9. Electrical machines having a power output up to about 750 W may be called_______machines.
10. The heat dissipated by from a surface depends upon its temperature and its characteristics like colour, roughness etc.
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