Consider a cube of material of sides 1 cm with a resistance of 0.003 Ω between its opposite faces. What is the resistance if the same volume of the material is drawn into a length of 50 cm with a uniform cross – section?

A) 0.003 Ω B) 0.15 Ω

C) 7.5 Ω D) None of these
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Consider a cube of material of sides 1 cm with a resistance of 0.003 Ω between its opposite faces. What is the resistance if the same volume of the material is drawn into a length of 50 cm with a uniform cross – section?

A) 0.003 Ω B) 0.15 Ω

C) 7.5 Ω D) None of these

by

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