Question

In your new job at an engineering company, your supervisor asks
you to fabricate a resistor that has a resistance of *R* =
0.145 Ω and no change in resistance with temperature. She suggests
making the resistor from lengths of cylindrical carbon and Nichrome
wires of equal radius, placed end-to-end. She wants the combination
to fit into a machine that allows for a radius of the resistor to
be *r* = 1.47 mm. What are the lengths of the two segments
of the resistor (in m)?

Nichrome: in meters

Carbon: in meters

Answer #1

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