DGVCL Exam Paper (12-06-2016) Core type transformers are popular in _____ None of these Low voltage applications High voltage applications All of these None of these Low voltage applications High voltage applications All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 30 Volts 60 Volts 480 Volts 120 Volts 30 Volts 60 Volts 480 Volts 120 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
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 Have no effect on the secondary current Increase the primary current Increase the secondary current Decrease the secondary current Have no effect on the secondary current Increase the primary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) An _____ is a network of electrical components used to supply, transfer and use electric power: Electric power All of these None of these Electric power system Electric power All of these None of these Electric power system ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The arc temperature in Oil Circuit Breaker may reach up to _____ 10,000° K None of these 5,000° K 8,000° K 10,000° K None of these 5,000° K 8,000° K ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) About how many times longer would a 10 watt light bulb be able to burn compared to a 100 watt bulb with the same energy? 100 times longer 10 times longer None of these Same time 100 times longer 10 times longer None of these Same time ANSWER DOWNLOAD EXAMIANS APP
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