M mkb02 New member May 14, 2010 #1 A current of 0.91 A flows through a copper wire 0.45 mm in diameter when it is connected to a potential difference of 15 V. How long is the wire? Express your answer using two significant figures.
A current of 0.91 A flows through a copper wire 0.45 mm in diameter when it is connected to a potential difference of 15 V. How long is the wire? Express your answer using two significant figures.
