A composite conductor 10 m long consists of an inner core of steel of radius 1.5 cm
Question:
(a) Determine the resistance of the conductor.
(b) If the total current in the conductor is 60 A, what current flows in each metal?
(c) Find the resistance of a solid copper conductor of the same length and cross-sectional areas as the sheath. Take the resistivities of copper and steel as 1.77 X 10–8 and 11.8 X 10–8 Ω ∙ m, respectively.
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