DC Generators Magnetic field in a D.C. generator is produced by Electromagnets Permanent magnets None of these Both (A) and (B) Electromagnets Permanent magnets None of these Both (A) and (B) 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 ______ 10 100 50 150 10 100 50 150 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Solid connection Slip rings Commutator None of above Solid connection Slip rings Commutator None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Series Flat compounded Shunt None of the listed here Series Flat compounded Shunt None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Strengthns the flux at the leading Weaknes the flux at the trailing Weaknes the flux at the leading None of the listed here Strengthns the flux at the leading Weaknes the flux at the trailing Weaknes the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Separately excited generator Shunt generator Series generator Compound generator Separately excited generator Shunt generator Series generator Compound generator ANSWER DOWNLOAD EXAMIANS APP