How can the direction of rotation of a DC...

🔍 Key Concepts

• In a DC motor, torque depends on the interaction between the magnetic field polarity and the armature current direction • Think about what happens to torque direction if you reverse both the field and armature at the same time versus reversing only one of them • The difference between changing the circuit configuration (series/parallel) and changing the direction of current in a winding

💭 Think About

• If you reverse the current in both the field and armature together, does the direction of torque change or stay the same? Why? • What specifically must be changed in the motor circuit to make the rotor try to turn in the opposite direction? • Do series and parallel connections by themselves guarantee a change in rotation direction, or do they mainly affect voltage/current distribution?

✅ Before You Answer

• Clarify which action actually changes the direction of current relative to the magnetic field • Check which options merely change how components are connected (series/parallel) without necessarily reversing polarity • Identify which choice(s) would leave the motor still trying to turn the same way, even after the modification

How can the direction of rotation of a DC motor be reversed?

reversing both the field and the armature connections

wiring the field and armature in series

wiring the field and armature in parallel

reversing the field or armature connections

🔍 Key Concepts

💭 Think About

✅ Before You Answer