Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 35°C. 45°C. 27°C. 32°C. 35°C. 45°C. 27°C. 32°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by coupling it with a small AC induction motor called the pony motor. providing damper winding in its rotor circuit. coupling it with a DC compound motor. any of the above methods. coupling it with a small AC induction motor called the pony motor. providing damper winding in its rotor circuit. coupling it with a DC compound motor. any of the above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 30° 60° 10° 45° 30° 60° 10° 45° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is more and maximum torque decreases more and maximum torque remains constant less and maximum torque increases less and maximum torque decreases more and maximum torque decreases more and maximum torque remains constant less and maximum torque increases less and maximum torque decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in transformer insulating oil. iron made tank of transformer. winding of transformer. steel core in transformer. transformer insulating oil. iron made tank of transformer. winding of transformer. steel core in transformer. ANSWER DOWNLOAD EXAMIANS APP
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