Question

If all conductors can be used as coils

Answer 1

Explanation:

You are talking about the inductive effects of the coil of wire. Essentially a wrapped up coil of metal with electrons running through it creates a linear magnetic field since moving electrons through a wire creates a redial field and if you approximate the coil to have infinite loops the field becomes liner .

Answer 2

Explanation:

all conductors are not used as coil because some conductors make more loss of energy during transportation of electricity

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