Electrical Machines The armature mmf of a DC machine has triangular space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. trapezoidal space distribution and is stationary in space. triangular space distribution and rotates at the speed of armature. triangular space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. trapezoidal space distribution and is stationary in space. triangular space distribution and rotates at the speed of armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 53+j85 ohms 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms 53+j85 ohms 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. cage. wound. none of these. linear. cage. wound. none of these. 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 100Ω 200Ω 50Ω 10Ω 100Ω 200Ω 50Ω 10Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3 - Φ, 4 pole, 50 Hz IM rotating at full load speed of 1440 rpm, calculate speed of rotor field with respect to rotor structure and stator structure respectively? 60, 1500. 50, 1500. 1440, 1500. 60, 1440. 60, 1500. 50, 1500. 1440, 1500. 60, 1440. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. Parallel. Compound. None of the options. Series. Parallel. Compound. None of the options. ANSWER DOWNLOAD EXAMIANS APP
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