No. 4

Electricity is produced whenever a magnet and a metal wire are moved relative to each other. Thus, an effective way to generate electricity is to spin a magnetic cylinder around a tightly coiled metal wire.

Which of the following sources of energy would be LEAST useful in driving the electric generator described above?

A. human power
B. steam
C. sunlight
D. water pressure
E. wind



Answer :

Final answer:

Wind would be the least useful source in driving the electric generator described due to the specific requirements of the process.


Explanation:

Wind would be the least useful source in driving the electric generator described because wind power is the driving force behind wind turbines, not the spinning of a magnetic cylinder around a metal wire. In this scenario, the relative motion between a magnet and a metal wire is necessary to generate electricity.


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