Electrical Machines The output power of a dc motor is given by EbIa2. EIa. EbIa. none of these. EbIa2. EIa. EbIa. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Interchanging armature and field connection. Reversing supply connection. Reversing armature connection or field connection. Adding resistance to field circuit. Interchanging armature and field connection. Reversing supply connection. Reversing armature connection or field connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by stator of a induction machine. rotor of an synchronous machine. stator of a dc machine. rotor of a dc machine. stator of a induction machine. rotor of an synchronous machine. stator of a dc machine. rotor of a dc machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has total value. maximum value. average value. rms value. total value. maximum value. average value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing inter poles. high resistance carbon brushes. compensating winding. any one or more of the above methods. inter poles. high resistance carbon brushes. compensating winding. any one or more of the above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss windage and friction loss core loss only both 1 and 2 Copper loss windage and friction loss core loss only both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP