Basic DC Motor Principles a. Explain the fundamental operating principle of a DC motor. b. Describe the main components of a DC motor and their functions. c. Define and explain the terms armature, commutator, stator, rotor, and field winding. d. Explain the methods used for controlling the speed of a DC motor. e. Provide examples of real-world applications where DC motors are commonly used. f. Outline safety precautions that should be followed when working with DC motors. g. Discuss the environmental impact of DC motor manufacturing and usage. Are there sustainable alternatives or practices in this regard? h. Explain the factors to consider when selecting a DC motor for a specific application