How rotation of electric motor armature will be affected on (i) interchanging the magnetic poles (ii) reversing battery polarity (iii) both (i) and (ii) simultaneously?
Answers
Answer:
The field will reverse along with the armature current, hence torque will keep acting in the same direction. ... On the other hand, on changing the polarity along with main winding, direction will not be changed as the relative phase currents between the main and start windings remain the same. According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks. ... The magnetic field lines in a solenoid, through which current is ... An electric motor converts electrical energy into mechanical energy. ... As the slip rings R1 and R2 rotate with the coil,
Explanation:
Answer:
The direction of rotation of a DC motor depends on the direction of the magnetic field and the direction of current flow in the armature. If either the direction of the field or the direction of current flow through the armature is reversed, the rotation of the motor will reverse.
Explanation: