Which term describes a machine that converts one form of energy into another, such as mechanical energy into electrical energy?

Which term describes a machine that converts one form of energy into another, such as mechanical energy into electrical energy?

• A. Electric Generator
• B. Electric Motor
• C. Transformer
• D. Battery

Answer: (A)

Machines that convert energy from one form to another include devices that take motion to produce electricity. A generator fits this description because it uses mechanical energy — like the spinning of a turbine or crank — to generate electrical energy through electromagnetic induction. In simple terms, turning motion into electricity is what a generator does. The other devices work in different ways. An electric motor uses electrical energy to produce mechanical motion, not the other way around. A transformer changes the voltage of electrical energy but doesn’t change it into a different form. A battery stores chemical energy and releases electrical energy, but its primary function isn’t converting mechanical energy into electricity. So the term that best describes the described conversion is the electric generator.

Machines that convert energy from one form to another include devices that take motion to produce electricity. A generator fits this description because it uses mechanical energy — like the spinning of a turbine or crank — to generate electrical energy through electromagnetic induction. In simple terms, turning motion into electricity is what a generator does.

The other devices work in different ways. An electric motor uses electrical energy to produce mechanical motion, not the other way around. A transformer changes the voltage of electrical energy but doesn’t change it into a different form. A battery stores chemical energy and releases electrical energy, but its primary function isn’t converting mechanical energy into electricity. So the term that best describes the described conversion is the electric generator.