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Questions and Answers

Which device converts motion-based power or fuel-based power into electric power for use in an external circuit?

Generator (correct)
Electric motor
Fuel cell
Photovoltaic cell

Who invented the first electromagnetic generator?

Thomas Edison
Benjamin Franklin
Michael Faraday (correct)
Nikola Tesla

What is the reverse conversion of electrical energy into mechanical energy called?

Fuel cell
Photovoltaic cell
Generator
Electric motor (correct)

What are some sources of mechanical energy used in generators?

Internal combustion engines and wind turbines (A) Signup and view all the answers

What do motors and generators have in common?

They both generate electricity from mechanical energy (B) Signup and view all the answers

What are the two broad categories of electromagnetic generators?

Electromagnetic generators fall into one of two broad categories. Signup and view all the answers

When was the first electromagnetic generator invented and who invented it?

The first electromagnetic generator, the Faraday disk, was invented in 1831 by British scientist Michael Faraday. Signup and view all the answers

What are some examples of mechanical energy sources used in generators?

Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines, and even hand cranks. Signup and view all the answers

What are some alternative methods used in generators to generate electrical output?

In addition to electricity- and motion-based designs, photovoltaic and fuel cell powered generators use solar power and hydrogen-based fuels, respectively, to generate electrical output. Signup and view all the answers