Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 120 volt. 220.4 volt. 218.5 volt. None of these. 120 volt. 220.4 volt. 218.5 volt. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 2. 1. 4. 8. 2. 1. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? 4. 6. data provided is insufficient. 2. 4. 6. data provided is insufficient. 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial. none of these. longitudinal. radial as well as longitudinal. radial. none of these. longitudinal. radial as well as longitudinal. 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 When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then None of these I1 = I2 I1 < I2 I1 > I2 None of these I1 = I2 I1 < I2 I1 > I2 ANSWER DOWNLOAD EXAMIANS APP