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Chapter 1: The Positive Terminal

Understanding Current Flow

• Positive Terminal Connection: When the positive terminal is connected to one side of the commutator and the negative terminal to the other, the current path is established.

  • Flow of Current: Current enters from the positive terminal, passes through the coil, and exits through the negative terminal.

Effects on the Coil

• Rotational Forces: The coil experiences forces that cause it to rotate in a clockwise direction.

  • Movement of Commutator: As the coil rotates, it moves the split ring commutator along with it.

Role of Terminals

• Stationary Terminals: The positive and negative terminals remain fixed in their positions, which ensures a consistent flow of current in one direction around the coil.

Engineering Perspective

• Simplicity in Engineering: While the setup may appear complex, the underlying engineering principles are relatively straightforward.