Question: A 10- Nichrome resistor is wired into an electronic circuit using copper leads (wires) of diameter 0.6 mm with a total length of 50 cm.

A 10-Ω Nichrome resistor is wired into an electronic circuit using copper leads (wires) of diameter 0.6 mm with a total length of 50 cm.

(a) What additional resistance is due to the copper leads?

(b) What percentage error in the total added resistance is produced by neglecting the resistance of the copper leads?

(c) What change in temperature would produce a change in resistance of the Nichrome-wire equal to the resistance of the copper leads?

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