what is hysteresis and eddy current loss ? ld is made sinusoidal in cylindrical and salient pole m/c? 26. Draw 3-phase AC waveform. 27. Which motor r we using in ceiling fan and how it works? 28. The very nxt ques was that if there is no capacitor provided in ceiling fan, can u start it? 29. what is two field revolving theory? 30. what is the reason of production of torque in synchronous M/c? 31. If we remove the load, what will be happen to the torque of sync m/c? .

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Answers to questions related to electrical machines and motors.

Hysteresis loss is the energy lost due to the reversal of magnetic field in a ferromagnetic material.
Eddy current loss is the energy lost due to the flow of eddy currents in a conductor.
Cylindrical and salient pole machines use sinusoidal current to produce a rotating magnetic field.
Ceiling fans use induction motors which work on the principle of rotating magnetic field.
A capacitor is not necessary to start a ceiling fan, but it may affect its performance.
Two field revolving theory explains the production of rotating magnetic field in AC machines.
Torque is produced in synchronous machines due to the interaction between the stator and rotor magnetic fields.
If the load is removed from a synchronous machine, the torque will be zero.

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