why cannot you draw wires from a piece of wood or coal
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(a) draw wires from a piece of wood or coal (b) use nylon or jute ropes for electrical transmission (c) use a cooking utensil made of cardboard Answer: (a) We cannot draw wires from a piece of wood or coal because they are brittle. They break down on stretching.
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Answer:
wood and coal are the bad conducter of electricity , they are not ductile
Explanation:
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