Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T is independent of P T∝ P T∝ P² T∝ P³ T is independent of P T∝ P T∝ P² T∝ P³ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slot wedges in a dc machine is made up of mild steel. fibre. cast iron. silicon steel. mild steel. fibre. cast iron. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = θmech θelec = 4/P*θmech θelec = 2/P*θmech θelec = P/2*θmech θelec = θmech θelec = 4/P*θmech θelec = 2/P*θmech θelec = P/2*θmech ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small All of these to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. All of these to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 150Hz. 50Hz. 100Hz. 200Hz. 150Hz. 50Hz. 100Hz. 200Hz. ANSWER DOWNLOAD EXAMIANS APP