Discuss the different observations that you would record during an investigation into the energy transformations of a lamp that uses electrical energy.

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The most important observation is the conversion of of electrical energy into light energy which performs the function of a lamp.

In addition to this there is a considerable amount of energy loss in form of heat energy. When the electrical lamp is there is production of a significant amount of heat energy. As a result of this the entire energy in form of electrical energy is not converted into light energy