Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 25 Hz. 16.67 Hz. 50 Hz. 60 Hz. 25 Hz. 16.67 Hz. 50 Hz. 60 Hz. ANSWER DOWNLOAD EXAMIANS APP
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 50Ω 10Ω 100Ω 200Ω 50Ω 10Ω 100Ω 200Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 18° 60° 20° 30° 18° 60° 20° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be about 50 V. zero. about 2 V. 220 V. about 50 V. zero. about 2 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? None of these slip ring induction motor squirrel cage induction motor either of these None of these slip ring induction motor squirrel cage induction motor either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will remains same. Decrease.d increase. none of these. remains same. Decrease.d increase. none of these. ANSWER DOWNLOAD EXAMIANS APP
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