Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 10 12 24 5 10 12 24 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Circle about the origin. Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally around 500 ohms. 1000 ohms. Infinitely large. Low. around 500 ohms. 1000 ohms. Infinitely large. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by s2. sf. sf / 2. f / s. s2. sf. sf / 2. f / s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Carbone brush. Armature. Pole. Starter. Carbone brush. Armature. Pole. Starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected through inductive coupling either of these depending on the design of the motor in series in parallel through inductive coupling either of these depending on the design of the motor in series in parallel ANSWER DOWNLOAD EXAMIANS APP
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