DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce eddy current loss Reduce the bulk Provide the bulk Insulate the core Reduce eddy current loss Reduce the bulk Provide the bulk Insulate the core ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica is harder than copper Copper is harder than mica Mica and copper are equally hard None of the listed here Mica is harder than copper Copper is harder than mica Mica and copper are equally hard None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 2.8% 11.3% 9.1% 4.5% 2.8% 11.3% 9.1% 4.5% ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Speed Voltage Current None of the listed here Speed Voltage Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
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