Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 10Ω 200Ω 100Ω 50Ω 10Ω 200Ω 100Ω 50Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In parallel with the armature winding. In parallel with the field winding. In series with the armature winding. As a separate unit. In parallel with the armature winding. In parallel with the field winding. In series with the armature winding. As a separate unit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under trailing pole tip. under leading pole tip. under the interpole. pole core. under trailing pole tip. under leading pole tip. under the interpole. pole core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results short circuit. increase in speed. decrease in speed. open circuit. short circuit. increase in speed. decrease in speed. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power developed by salient pole synchronous machine is/are both 1 and 2 power due to saliency or reluctance only excitation power only None of these both 1 and 2 power due to saliency or reluctance only excitation power only None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? low current and high voltage low current and low voltage high current and low voltage high current and high voltage low current and high voltage low current and low voltage high current and low voltage high current and high voltage ANSWER DOWNLOAD EXAMIANS APP
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