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A 10-cm-long nichrome wire is connected across the terminals of a 1.5 V battery.What is the current density inside the wire?

Let J be the Current Density. First off, you must find the electric field strength E. This is V/m (potential over length in meters), so E = 1.5/.1 After this, you can find the current density J. J = (omega) * E, omega being the conductivity. The conductivity of nichrome is 6.7*10^5, the unit being

A 10-cm-long nichrome wire is connected across the terminals of a 1.5 V battery.What is the current density inside the wire? Read More »

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