What energy transformation occurs in an electric motor?

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Multiple Choice

What energy transformation occurs in an electric motor?

An electric motor converts electrical energy into mechanical energy. When current flows through the windings inside a magnetic field, electromagnetic forces produce torque that turns the rotor, delivering rotational motion to drive a load. The electrical energy is the input, and the motor’s output is mechanical energy (with some energy inevitably lost as heat due to inefficiency). The other options describe energy transformations that don’t occur in a motor: chemical energy to electrical energy is what a power source like a battery provides before powering the motor; mechanical energy to electrical energy would be what a generator does; electrical energy to thermal energy describes a heater or resistor, not a motor.

An electric motor converts electrical energy into mechanical energy. When current flows through the windings inside a magnetic field, electromagnetic forces produce torque that turns the rotor, delivering rotational motion to drive a load. The electrical energy is the input, and the motor’s output is mechanical energy (with some energy inevitably lost as heat due to inefficiency). The other options describe energy transformations that don’t occur in a motor: chemical energy to electrical energy is what a power source like a battery provides before powering the motor; mechanical energy to electrical energy would be what a generator does; electrical energy to thermal energy describes a heater or resistor, not a motor.

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