DGVCL Exam Paper (12-06-2016) The consumer of electricity could be: Industrial and Commercial All of these Domestic Agricultural Industrial and Commercial All of these Domestic Agricultural ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: Low voltage and high current High voltage and low current None of these How voltage and high current Low voltage and high current High voltage and low current None of these 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) What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage: No effect Eddy Current and Hysteresis losses will be excessive Current will be too much high Transformer may start to smoke and burn No effect Eddy Current and Hysteresis losses will be excessive Current will be too much high Transformer may start to smoke and burn ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
DGVCL Exam Paper (12-06-2016) The following is a Distribution Company: GERC MGVCL CSERC DERC GERC MGVCL CSERC DERC ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The SI unit of energy is : Coulomb Joule Newton Henry Coulomb Joule Newton Henry ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? Voltage All of these Current Frequency Voltage All of these Current Frequency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In transformer voltage and current can be raised or lowered.Frequency remains samePower and Flux remains almost constant.
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