Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 40 A. 400 A. 440 A. 44 A. 40 A. 400 A. 440 A. 44 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure capacitive load None of these pure inductive load pure resistive load pure capacitive load None of these pure inductive load pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is less than primary. equal to primary. any of the above. greater than the primary. less than primary. equal to primary. any of the above. greater than the primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load primary current in a transformer lags behind applied voltage somewhat less than 90à leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am leads the applied voltage by exactly 90Â& lags behind applied voltage somewhat less than 90à leads the applied voltage somewhat less than 90Ã& lags behind applied voltage by exactly 90Â&am leads the applied voltage by exactly 90Â& ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? On armature. None of these On yoke in the pole faces. On yoke in the inter pole gap. On armature. None of these On yoke in the pole faces. On yoke in the inter pole gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 50 Ω 10 Ω 100 Ω 0.1 Ω 50 Ω 10 Ω 100 Ω 0.1 Ω ANSWER DOWNLOAD EXAMIANS APP
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