why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?
1 3742what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..
1635yesterday i am using my laptop by plugging power supply also battery was working properly after while i unplugged AC power source ,using my battery i played car game (use much power) after that the battery finished the charge and it closed my PC. after that my battery not charge (when unplug automatically PC will turn off)
1 2055What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?
838What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?
722When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?
710What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
656Post New HPCL Electrical Engineering Interview Questions
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