how to calculate efficiency of voltage and current controlled welding transformer?
what is 3 phase motors
what is the difference b/w conductor and semicoductor
what is JE exam?
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why C T secondary are rating 5A generaly .
Which motor has high Starting Torque and Staring current DC motor, Induction motor or Synchronous motor?
What it is the diff btw Package & PEC AC's????
In ac motor,when dc supply is given what happend to the motor?
In which reason, one end of CT secondry get connected with Earthed? Normaly S1 of CT. Why????
plz tell me the potential difference between phase and netrul
Why synchorised generators are used for the production of electricity?
What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?