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 120 Volts 480 Volts 60 Volts 30 Volts 120 Volts 480 Volts 60 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? Current Frequency All of these Voltage Current Frequency All of these Voltage ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In transformer voltage and current can be raised or lowered.Frequency remains samePower and Flux remains almost constant.
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? None of these 100 times longer Same time 10 times longer None of these 100 times longer Same time 10 times longer ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Taskbar is used for Switching between program All of above Navigation program Start a program Switching between program All of above Navigation program Start a program ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The Electricity Act is an Act of _____of India enacted to transform the power sector in India. The Parliament All of these A State resolution None of these The Parliament All of these A State resolution None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 3 to 8 40 to 50 20 to 30 10 to 18 3 to 8 40 to 50 20 to 30 10 to 18 ANSWER DOWNLOAD EXAMIANS APP
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