What you’ll learn2 learning objectivesChoose one objective for a focused lesson, or study the complete topic.4.5.5.1A current-carrying coil in a magnetic• Know: a current-carrying coil in a magnetic field may experience a turning effect and that the turning effect is increased by increasing: (a) the number of turns on the coil (b) the current (c) the strength of the magnetic fieldSyllabus objective4.5.5.2Operation of an electric motor• Describe the operation of an electric motor, including the action of a split-ring commutator and brushesSyllabus objective