(a) windings have no resistance
(b) core has no losses
(c) core has infinite permeability
(d) all of the above.
Ans : D
- Transformer works on the principle of
- A stepping motor is a ……………… device.
- For torque transmission over a long distance with the help of electrical wires only, which of the following two synchros are used ?
- A single-stack, 4-phase, 6-pole VR stepper motor will have a step angle of
- A variable reluctance stepper motor is constructed of
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