DC Generators A 4-pole dc machine has _____ magnetic circuits. 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon Flux only Speed only Both speed and flux None of the listed here Flux only Speed only Both speed and flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 150 50 100 10 150 50 100 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
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