1. a light bulb is turned on. it produces light and warms up. which statement is true? all the electrical energy is transformed to heat energy. some of the electrical energy is transformed to light energy and some is destroyed. all the electrical energy is transformed to light energy and heat energy. all the electrical energy is transformed to light energy.
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1. a light bulb is turned on. it produces light and warms up. which statement is true? all the elec...
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