Question

Electrical machines can convert electrical energy into mechanical energy (motors) or vice versa (generators). What is the fundamental principle behind the operation of a DC motor? a) Interaction between a rotating magnetic field and a stationary armature with windings b) Force experienced by a current-carrying conductor in a magnetic field (Lorentz force) c) Attraction and repulsion between permanent magnets on the rotor and stator d) DC motors directly convert electrical potential energy into kinetic energy.

          Electrical machines can convert electrical energy into mechanical energy (motors) or vice versa (generators). What is the fundamental principle behind the operation of a DC motor?
a) Interaction between a rotating magnetic field and a stationary armature with windings
b) Force experienced by a current-carrying conductor in a magnetic field (Lorentz force)
c) Attraction and repulsion between permanent magnets on the rotor and stator
d) DC motors directly convert electrical potential energy into kinetic energy.

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Added by Laura G.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Vishal Gupta

01/19/2024

Step 1

A DC motor consists of a stator (the stationary part) and a rotor (the rotating part). The stator typically includes permanent magnets or electromagnets, while the rotor has windings or coils of wire. Show more…

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Electrical machines can convert electrical energy into mechanical energy (motors) or vice versa (generators). What is the fundamental principle behind the operation of a DC motor? a) Interaction between a rotating magnetic field and a stationary armature with windings b) Force experienced by a current-carrying conductor in a magnetic field (Lorentz force) c) Attraction and repulsion between permanent magnets on the rotor and stator d) DC motors directly convert electrical potential energy into kinetic energy.

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