Electrical Machines For a dc machine shunt resistance and armature resistance values are high and high low and high high and low low and low high and high low and high high and low low and low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the emf generated by the armature is maximum when shaft rotation is high. rate of change of flux is maximum. induced voltage is high. rate of change of flux is minimum. shaft rotation is high. rate of change of flux is maximum. induced voltage is high. rate of change of flux is minimum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. emf with concentrated winding to emf with distributed winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = 2/P*θmech θelec = P/2*θmech θelec = θmech θelec = 4/P*θmech θelec = 2/P*θmech θelec = P/2*θmech θelec = θmech θelec = 4/P*θmech ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. both 1 and 2. decrease the load current. increase the load current. suppress the hunting. both 1 and 2. decrease the load current. increase the load current. ANSWER DOWNLOAD EXAMIANS APP
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