Question

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

A (i-d, ii-a, iii-c, iv-b)
B (i-c, ii-d, iii-a, iv-b)
C (i-c, ii-a, iii-d, iv-b)
D (i-b, ii-d, iii-a, iv-c)
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