DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: None of these Low voltage and high current High voltage and low current How voltage and high current None of these Low voltage and high current High voltage and low current How voltage and high current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In step up votlage,Output votlage > Input votlageOutput current < Input currentIn step down transformerOutput votlage < Input votlageOutput current > Input current.Power and frequency remains almost constant in stepup or stepdown transformer.
DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.5 0.25 0.05 0 0.5 0.25 0.05 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As there is no rotating part in transformer, there is no friction and windage loss
DGVCL Exam Paper (12-06-2016) The relay operating speed depends upon All of these Armature core air gap The spring tension The rate of flux built up All of these Armature core air gap The spring tension The rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is a Distribution Company: MGVCL CSERC GERC DERC MGVCL CSERC GERC DERC ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power Two-phase One-phase Three-phase None of these Two-phase One-phase Three-phase None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following is correct : All of these P = V²/R P = I²xR P = VxI All of these P = V²/R P = I²xR P = VxI ANSWER EXPLANATION DOWNLOAD EXAMIANS APP True for DC Circuits.For single pahse ac P = V I CosØ