Electrical Machines The speed of a 3-phase induction motor operating in its stable region remains constant. decreases with decrease in the load torque. increases with increase in the load torque. decreases with increase in the load torque. remains constant. decreases with decrease in the load torque. increases with increase in the load torque. decreases with increase in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 30 volts. 10 volts. 20 volts. 40 volts. 30 volts. 10 volts. 20 volts. 40 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is none of these. magnetic field poles. armature. core. none of these. magnetic field poles. armature. core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetically no-load armature co-ordinate. Magnetic neutral axis. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetically no-load armature co-ordinate. Magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of DC motor Both back emf as well as line current increase. Back emf falls and line current increase. Both back emf as well as line current fall. Back emf increase but line current falls. Both back emf as well as line current increase. Back emf falls and line current increase. Both back emf as well as line current fall. Back emf increase but line current falls. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be an integral multiple of number of rotor slots. unequal to number of rotor slots and skewed in shape. either (B) or (C). equal to number of rotor slots. an integral multiple of number of rotor slots. unequal to number of rotor slots and skewed in shape. either (B) or (C). equal to number of rotor slots. ANSWER DOWNLOAD EXAMIANS APP
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