A copper wire having a resistance of 0*0...

A copper wire having a resistance of `002Omega` per metre is used to wind a 500 turns solenoid of radius `20cm` and length `30cm`. What should be the `emf` of the battery which when connected across the solenoid would produce a magnetic field at `10^-2T`, near the centre of the solenoid.

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A copper wire having a resistance of `002Omega` per metre is used to wind a 500 turns solenoid of radius `20cm` and length `30cm`. What should be the `emf` of the battery which when connected across the solenoid would produce a magnetic field at `10^-2T`, near the centre of the solenoid.