What is the primary reason for the operation of an electric motor?

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Question: What is the primary reason for the operation of an electric motor?

Options:

Correct Answer: Lorentz force

Solution:

Electric motors operate based on the Lorentz force, which acts on current-carrying conductors in a magnetic field, causing rotation.

What is the primary reason for the operation of an electric motor?

What is the primary reason for the operation of an electric motor?

Step 1: Understand that an electric motor is a device that converts electrical energy into mechanical energy.
Step 2: Learn about the Lorentz force, which is the force experienced by a charged particle moving through a magnetic field.
Step 3: Recognize that when electricity flows through a wire (current-carrying conductor), it creates a magnetic field around the wire.
Step 4: Know that if this wire is placed in another magnetic field, the interaction between the two magnetic fields creates a force (the Lorentz force).
Step 5: This force causes the wire (or part of the motor) to move or rotate.
Step 6: Therefore, the primary reason for the operation of an electric motor is the rotation caused by the Lorentz force acting on the current-carrying conductors in a magnetic field.

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