Question

calculate the specific resistance of wire of length 100cm and 0.3mm diameter having resistance of 6 ohm​

Answer 1

Answer:

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Answer 2

Answer:

0.00016956 or 1.6956×10^ -4 cm

Explanation:

R = ρl/A

ρ = Ra/l

R = 6

l = 100 cm

r = 0.03 cm

area of wire = π(0.03)^2

= 0.002826

$= \frac{ 6 \times 0.002826}{100}$

$\frac{0.016956}{100}$

$= 0.00016956$

$= 1.6956 \times {10}^{ - 4}$

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