The Operation of an Electric Motor Depends on Which of the Following

question 75

Multiple Choice

The operation of an electric motor depends on which of the following effects?

• A)the Doppler effect
• B)the photoelectric effect
• C)the force acting on a current-carrying wire in a magnetic field
• D)current from the motion of a wire in a magnetic field

---

Definitions:

Demographic Transition Model

A theory describing the transition from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.

Development

The process of economic, social, and cultural transformation that improves the well-being and living standards of a society or region.

U.S.-Canada Border

This is the international boundary between the United States and Canada, extending 8,891 kilometers, making it the longest binational land border in the world.

Age Structure

The distribution of individuals among various age groups in a population, often depicted as a population pyramid, influencing growth and social dynamics.