DGVCL Exam Paper (12-06-2016) The SI unit of energy is : Joule Henry Newton Coulomb Joule Henry Newton Coulomb ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A circuit breaker is designed to protect an electrical circuit from damage caused by : All of these Over load Over current Short circuit All of these Over load Over current Short circuit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following is the product of data processing: Software programme Data System Information Software programme Data System Information ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Increase the secondary current Decrease the secondary current Increase the primary current Have no effect on the secondary current Increase the secondary current Decrease the secondary current Increase the primary current Have no effect on the secondary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) Step-down transformer converts high voltage and low current into: None of these Low voltage and high current How voltage and high current High voltage and low current None of these Low voltage and high current How voltage and high current High voltage and low 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) A 100-watt light bulb turned on for 8 hours uses : 0.8 kWh None of these 800 Wh 8 kWh 0.8 kWh None of these 800 Wh 8 kWh ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In Solution 0.8 kWh and 800 Wh both options are given as answer as both are correct
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