DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Increase the primary current Increase the secondary current Have no effect on the secondary current Decrease the secondary current Increase the primary current Increase the secondary current Have no effect on the secondary current Decrease the secondary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) Core type transformers are popular in _____ All of these High voltage applications Low voltage applications None of these All of these High voltage applications Low voltage applications None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Directional relays are based on flow of All of these Current Voltage Power All of these Current Voltage Power ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: AC is easy to maintain & can be easily distributed at long distances Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier All of these AC is easy to maintain & can be easily distributed at long distances Conversion flexibility from one voltage level to other AC can be easily converted into DC by using a rectifier All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Which of the following does not change in a transformer? Current Voltage All of these Frequency Current Voltage All of these Frequency 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) The consumer of electricity could be: Domestic All of these Industrial and Commercial Agricultural Domestic All of these Industrial and Commercial Agricultural ANSWER DOWNLOAD EXAMIANS APP