Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Bl2v2. Blv2. Bl2v. Blv. Bl2v2. Blv2. Bl2v. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the both of the above. weight of the stator. hysteresis loss. eddy current loss. both of the above. weight of the stator. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 2 4 ang 1 4 and 2 2 and 1 2 and 2 4 ang 1 4 and 2 2 and 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field divertor method of speed control of a DC series motor gives speed above rated one due to reduction of Field current. None of above. Armature current. Line current. Field current. None of above. Armature current. Line current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because rotor torque will not be produced. induction motor will become synchronous motor. none of above. air friction will prevent it. rotor torque will not be produced. induction motor will become synchronous motor. none of above. air friction will prevent it. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 3000 rpm 1000 rpm 750 rpm 1500 rpm 3000 rpm 1000 rpm 750 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP