Question text
33 A commutator is connected to the coil of a d.c. motor. The commutator rotates and connects the coil to the power supply. Once every half-turn, the current in the coil reverses. coil magnet coil magnet N S N S commutator commutator brush brush insulator insulator coil perpendicular to magnetic field coil parallel to magnetic field What is the name of the commutator and what is the orientation of the plane of the coil as the current reverses? name orientation A slip ring parallel to the magnetic field B slip ring perpendicular to the magnetic field C split ring parallel to the magnetic field D split ring perpendicular to the magnetic field
33 A commutator is connected to the coil of a d.c. motor.
The commutator rotates and connects the coil to the power supply.
Once every half-turn, the current in the coil reverses.
coil magnet coil magnet
N S N S
commutator commutator
brush brush
insulator
insulator
coil perpendicular to magnetic field coil parallel to magnetic field
What is the name of the commutator and what is the orientation of the plane of the coil as the
current reverses?
name orientation
A slip ring parallel to the magnetic field
B slip ring perpendicular to the magnetic field
C split ring parallel to the magnetic field
D split ring perpendicular to the magnetic field
Select your answer: