(a) frequency
(b) voltage
(c) current
(d) voltage and current
Ans : D
- The main purpose of using core in a transformer is to
- If dc voltage is applied to the primary of a transformer it may
- In an ideal transformer
- The torque exerted by the rotor magnetic field of a PM stepping motor with unexcited stator is called ………………torque.
- Wave excitation of a stepper motor results in
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