Which configuration will generate an electric current?
A) Rotate a coil of copper wire between two magnets.
Eliminate
B) Rotate two magnets inside a piece of copper tubing.
C) Wrap copper wire around an iron core and connect to a battery.
D) Connect a wire between a copper and zinc strip sitting in a beaker of water.

Answerthe energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.explanationwe define electric potential as the ratio electric potential energy to the charge,    then the following gives us the potential difference,      the formula  may be on your formula sheet.the change in electric potential energy would be the energy that would needed to move it from point a to point b. solving for that, we get    using q = 8.00  × 10⁻¹⁹ c and  δv = 2.00 v, we get    the energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.

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