Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? Field flux. Applied voltage. All of these. Armature current. Field flux. Applied voltage. All of these. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Value of specific electric loading of Induction motor is in the range of 400 - 4000 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on either of these. stationary magnetic field. None of these rotating magnetic field. either of these. stationary magnetic field. None of these rotating magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is N12 : N22. N1 : N2. none. 1 : 1. N12 : N22. N1 : N2. none. 1 : 1. 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. 10 volts. 30 volts. 40 volts. 20 volts. 10 volts. 30 volts. 40 volts. 20 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to decrease the load current. suppress the hunting. increase the load current. both 1 and 2. decrease the load current. suppress the hunting. increase the load current. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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