Calculate the resistance per unit length of nichrome wire
(a) Calculate the resistance per unit length of a Nichrome wire, which has a radius of 0.321 mm. (b) If a potential difference of 10 V is maintained across a 1.0 m length of the Nichrome wire, what is the current in the wire?
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The upper half of the container holds steam (of density 5kg/m^3) while the lower half contains water (of density 1000 kg/m^3). What fraction of the overall mass is steam?
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