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12.Dimensions of a block are 1 cm  1 cm  100 cm. If specific resistance of its material is 3  10–7 ohm-m, then the resistance between it’s opposite rectangular faces is [MP PET 1993] (a) 3  10–9 ohm (b) 3  10–7 ohm (c) 3  10–5 ohm (d) 3  10–3 ohm 

Answer» 12.Dimensions of a block are 1 cm  1 cm  100 cm. If specific resistance of its material is 3  10–7 ohm-m, then the resistance between it’s opposite rectangular faces is [MP PET 1993] (a) 3  10–9 ohm (b) 3  10–7 ohm (c) 3  10–5 ohm (d) 3  10–3 ohm 


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