Question
Match the following machines with their working
principles: (i) Electric motor -Â (a) Heat energy into mechanical energy (ii) Steam engine -Â (b) Electric energy to light energy (iii) Dynamo -Â Â Â Â Â Â (c) Electrical energy to mechanical energy (iv)Electric Bulb -Â Â Â (d) Mechanical energy into electrical energySolution
Electric motor: Converts electrical energy to mechanical energy. Steam engine: Converts heat energy into mechanical energy. Dynamo: Converts mechanical energy into electrical energy. Electric bulb: Converts electrical energy into light energy.
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