DC Generators The purpose of providing dummy coils in a generator is To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and mechanical losses Magnetic and copper losses None of the listed here Mechanical and copper losses Magnetic and mechanical losses Magnetic and copper losses None of the listed here Mechanical and copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide More current and more voltage More current but less voltage Less current but more voltage None of the listed here More current and more voltage More current but less voltage Less current but more voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Electromagnets None of these Permanent magnets Both (A) and (B) Electromagnets None of these Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Straight line Hydrobola None of the listed here Parabola Straight line Hydrobola None of the listed here Parabola ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils ANSWER DOWNLOAD EXAMIANS APP
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