DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer will operate with low efficiency Transformer may start to smoke and burn Transformer will operate with high efficiency No effect Transformer will operate with low efficiency Transformer may start to smoke and burn Transformer will operate with high efficiency No effect ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer works on principle of faraday's law of electromagnetic induction. So if D.C supply use, no indction are produced and due to this E.M.F not induced in winding and transfer of electrical energy is not possible.
DGVCL Exam Paper (12-06-2016) One kilowatt-hour is? 1.6 mega joules 3.6 mega joules 2.6 mega joules None of these 1.6 mega joules 3.6 mega joules 2.6 mega joules None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The consumer of electricity could be: Domestic All of these Agricultural Industrial and Commercial Domestic All of these Agricultural Industrial and Commercial ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In fuel cell the _____ energy is converted into electrical energy. Sound Heat Mechanical Chemical Sound Heat Mechanical Chemical ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In India _____ supply is 415 V supply through 4-wires. Three - phase Two-phase None of these Single - phase Three - phase Two-phase None of these Single - phase ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In case the height of transmission tower is increased, which of the following parameter is likely to change? Inductance Capacitance None of these Resistance Inductance Capacitance None of these Resistance ANSWER DOWNLOAD EXAMIANS APP
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