DC Generators The number of brushes in a commutator depends on Voltage Amount of current to be collected Type of winding Speed of armature Voltage Amount of current to be collected Type of winding Speed of armature 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 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 Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit 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 ______ 50 150 100 10 50 150 100 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Both (A) and (B) Electromagnets None of these Permanent magnets Both (A) and (B) Electromagnets None of these ANSWER DOWNLOAD EXAMIANS APP