If the wire diameter decreases to 1 mm but the length is still 20 m and...

If the wire diameter decreases to 1 mm but the length is still 20 m and still carrying the same 20.0 A current, the drift speed of electrons will (increase / decrease / stay the same), the current density will (increase / decrease / stay the same), the resistivity of the wire will (increase / decrease / stay the same), the resistance of the wire will (increase / decrease / stay the same), the electric field inside the wire will (increase / decrease / stay the same), the voltage across the wire will (increase / decrease / stay the same).

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genius_generous answered 1 year ago

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