Answer / raghavan.k

Magnetic poles in the rotor. Magnetized by dc excitation. This is where a heteropolar magnetic field is set up.

why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?

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How could i check the earth connection of my home using a multimeter?????? If it is possible plz help me....

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why selected genration, transmission or any at 11kv, 132, 220, 220 or 440 voltage which is propotional to 11. why does not any for ex. 12 kv 13kv or any

2 Answers  

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