Chemical energy ------ Electrical energy ------ light energy .
EXPLANATION
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When a bulb is connected to a dry cell or battery. this is the energy transformation that takes place.
THE CHEMICAL ENERGY is stored in the battery and when a conducting wire is connected to the battery, electric current flows through the wire ,thus ELECTRICAL ENERGY. When a bulb is connected to the circuit, The electrical energy is converted into LIGHT ENERGY,.thus when the bulb lights.