4. Any electromechanical energy conversion device uses which of the following field to convert electrical energy into mechanical energy and vice versa?

Electric field
Magnetic field
Both

Answer: C) Both

Explanation:

Any electromechanical energy conversion device uses an electric or magnetic field to convert electrical energy into mechanical energy and vice versa.

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Any electromechanical energy conversion device uses which of the following field to convert electrical energy into mechanical energy and vice versa?