Multiple Choice
While applying Fleming's right-hand rule to And the direction of induced e.m.f., the thumb points towards
A) direction of induced e.m.f.
B) direction of flux
C) direction of motion of the conductor if forefinger points in the direction of generated e.m.f.
D) direction of motion of conductor, if forefinger points along the lines of flux
Correct Answer:
Verified
Correct Answer:
Verified
Q9: In the D.C. motor the iron losses
Q10: If B is the flux density, I
Q11: In a commutator<br>A)copper is harder than mica<br>B)mica
Q12: In case of D.C. machines, mechanical losses
Q13: Brushes of D.C. machines are made of<br>A)carbon<br>B)soft
Q15: The commutator segments are connected to the
Q16: Satisfactory commutation of D.C. machines requires<br>A)brushes should
Q17: In D.C. generators, current to the external
Q18: The bearings used to support the rotor
Q19: A separately excited generator as compared to