why holding contact is not using in VCB and ACB breakers?
WHAT IS THE COOLANTS IN TRANSFORMER?
Equal resistance of 100ohm each are connected to the arms of whestons bridge, which is supplied by 2v battery. The galvanometer can sense a current low as 1microAmp. What is the smallest resistance that can be measered.
what is the difference between the voltage of 5 volts capacitor and and 5volts battery?
for a 33/11kv transformer, after step down what happens to the balance 22kv.
what is diff btw electric,magnetic & eletromagnetic field
one 60KVA UPS how can full load current tell me us formulas
what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)
what is reluctance?
i have 3, 75hp motors and 10, 15 hp motors....and to run this motors continously with a generator how much rating(kva) of generator will suiteble....?
Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks
What is meant by rotor?
describe the fully control circuit diagram of ac drives