A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, if the current exceeds a predetermined value. Suppose that the material to be used in a fuse melts when the current density rises to 400 A/cm2. What diameter of cylindrical wire should be used to limit the current to 0.55 A?

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Patrina SchowalterLv2

22 Jan 2019

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