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Chemical potential energy is converted to electrical potential energy. When the circuit is closed, the electrical potential becomes kinetic energy as electrons flow through the conductor. When the electrons meet the resistance of the flashlight lamp, they do work on the filament, converting electron flow into heat, causing the filament to increase in temperature. The filament is designed to convert that heat into radiant light.

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Electromagnetic energy

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Q: What energy conversion occurs in a battery operated flash light?
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