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Calculate the value of the resistance of a wire of length = 12 m, area = 2 m^2 and Ρ = 6 Ω-m.

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Calculate the value of the resistance of a wire of length = 12 m, area = 2 m^2 and Ρ = 6 Ω-m.

(a) 36 Ω

(b) 6 Ω

(c) 26 Ω

(d) 10 Ω

The question was posed to me during a job interview.

I want to ask this question from Induction Motors topic in section Speed Control of Direct Current Motors & Induction Motors of Electric Drives

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The correct option is (a) 36 Ω

Easiest explanation: Resistance is the opposition offered by the body to the flow of the current. It is expressed in terms of Ω. R = ΡL/A = 36 Ω.

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