Electrical Machines For higher values of armature, the speed of a DC series motor is Constant. Inversely proportional to armature current. Proportional to armature current. Proportional to the square of armature current. Constant. Inversely proportional to armature current. Proportional to armature current. Proportional to the square of armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf? 100V 20V 200V 10V 100V 20V 200V 10V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. Both AC to DC and DC to AC. none of these. AC to DC. high voltage DC to low voltage DC. Both AC to DC and DC to AC. none of these. AC to DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on rotating magnetic field. None of these either of these. stationary magnetic field. rotating magnetic field. None of these either of these. stationary magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? BYR BRY RBY All of these BYR BRY RBY All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. none of above. Ward Leonard control. rheostatic control. any of above method. none of above. Ward Leonard control. rheostatic control. any of above method. ANSWER DOWNLOAD EXAMIANS APP
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