why we use salt for earthing?
How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me
What do you mean by PT-100?
What is load curve?
1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is
Transfer of electric power from primary to secondary in a transformer takes place A electrically B magnetically C electro-magnetically D conductively
What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?
what is the difference between induction and synchronous motor?explain in simple words?why 3 phase motor is given preference over single phase motor.
definition of transponder?
what are the reasons of low voltage during start the DG?
How we can change the direction of rotation of Induction motor? Prove it using graphical methods.
In secondary transmission i.e., in distribution side, supply for homes are connected through different phases in order to balance the 3 phase load. But in practical we saw nearby house doesn't have power due to single phasing. But other two phases give supply. How it's possible? it doesn't make "single phasing"?
what is the use of the puls transformer in UPS & how it works???????????