Electrical Machines In DC generators, the residual magnetism is of the order of 2.5 %. 15 %. 10 %. 20 %. 2.5 %. 15 %. 10 %. 20 %. 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? 20V 10V 200V 100V 20V 10V 200V 100V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 2 V 1 V 4 V 0 V 2 V 1 V 4 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages uniform torque. less noise. all of below. locking tendency is reduced. uniform torque. less noise. all of below. locking tendency is reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between short circuit current and armature current short circuit current and field current no load voltage and field current no load voltage and armature current short circuit current and armature current short circuit current and field current no load voltage and field current no load voltage and armature current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? half wave controlled full wave controlled half wave full wave half wave controlled full wave controlled half wave full wave ANSWER DOWNLOAD EXAMIANS APP