Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.273 mm. The resistivity of nichrome is 1.5×10-6 O·m. Answer in units of O/mB. If a potential difference of 23 V is maintained across a 1.4 m length of the nichrome wire, what is the current in the wire?

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A Resistance of a wire in O R pLA p is resistivity of t... View the full answer