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Advantages of three phase system over single phase system
a) Rotating magnetic field can be set up, by passing three-phase current by stationary coils.
b) Polyphase system is extra capable and reliable than single - phase system.
c) Parallel operation of three - phase alternators is easy as compared that of single- phase alternators due to of pulsating reaction in single- phase alternators.
Therefore, three-phase operation is not as practical for domestic applications where motors are mainly smaller than 1 kW and where lighting circuits supply most of the load.
The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: a) Thompson b) Bohr c) Ruther
Suppose a baseball rolls 3.2 m across the floor. If the ball's angular displacement is 82 rad, what is the circumference of the ball?
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calour formed in pure and impure spectrum
notes on ac equivalence circuit with active devices
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