Question 2.
a.what type of energy must be supplied to a lightbulb to make it work?
b.what 2 types of energy spread out from a bulb when it is switched on?
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1.This flow of charge converts chemical potential energy into electrical energy. In the light bulb, the flow of charge through the filament heats it up and causes it to glow. In this way, the light bulb converts electrical energy to heat energy and light energy.
2.
In the case of the light bulb, electrical energy is being transformed into light and thermal (heat) energy. Different wattages and types of bulbs give off varying amounts of light and heat.
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