Electrical Machines A DC generator beyond critical resistance will generate maximum current. no voltage. maximum power. maximum voltage. maximum current. no voltage. maximum power. maximum voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 4575.4 r.p.m. 1037.5 r.p.m. 963.8 r.p.m. 1130 r.p.m. 4575.4 r.p.m. 1037.5 r.p.m. 963.8 r.p.m. 1130 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Increases. Decreases. Remains unchanged. None of above. Increases. Decreases. Remains unchanged. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to All of these reduce hunting improve the power factor improve starting torque All of these reduce hunting improve the power factor improve starting torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 16. 4. 8. 32. 16. 4. 8. 32. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production dynamically induced emf. static induced emf. both A and B. None of these dynamically induced emf. static induced emf. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
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