DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator Both of the listed here None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator Both of the listed here None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator 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 Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 20 V 2 V 10 V 0.1 V 20 V 2 V 10 V 0.1 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 6 4 2 8 6 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS