Electrical Machines The no load current in a transformer lags the applied voltage by 90°. about 115°. about 75°. 0°. 90°. about 115°. about 75°. 0°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by EbIa2. EbIa. EIa. none of these. EbIa2. EbIa. EIa. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of copper. iron loss. reluctance of core. volume of iron. volume of copper. iron loss. reluctance of core. volume of iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. Compound. Shunt. None of them. Series. Compound. Shunt. None of them. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will stop. The motor will run much faster in the same direction. The motor will run in reverse direction. The motor will run at its normal speed in the same direction as before. The motor will stop. The motor will run much faster in the same direction. The motor will run in reverse direction. The motor will run at its normal speed in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
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