a wireof length 40cm and area of cross section 0.1 mm square has a res

1.	a wireof length 40cm and area of cross section 0.1 mm square has a resistance of 0.8 ohm. calculate specific resistance of wire in SI unit.
Answer» I = 40 CM, area of cross – section a = 0.1 MM2 = 0.1/100cm2 R = 0.8 Ω Specific resistance of WIRE p = Ra/l = (0.8/40) × 1/1000 P = 0.00002 Ω – cm

a wireof length 40cm and area of cross section 0.1 mm square has a resistance of 0.8 ohm. calculate specific resistance of wire in SI unit.

Answer»

I = 40 CM, area of cross – section a = 0.1 MM2 = 0.1/100cm2 R = 0.8 Ω

Specific resistance of WIRE p = Ra/l = (0.8/40) × 1/1000

P = 0.00002 Ω – cm

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a wireof length 40cm and area of cross section 0.1 mm square has a resistance of 0.8 ohm. calculate specific resistance of wire in SI unit.​

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a wireof length 40cm and area of cross section 0.1 mm square has a resistance of 0.8 ohm. calculate specific resistance of wire in SI unit.