Question

a metal wire of length 2m having 10 ohm resistance. if the same wire is of length 5cm is considered then what will be i
ts resistance
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Answer 1

Answer:

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Answer 2

$\bf\huge\ Question:-$

a metal wire of length 2m having 10 ohm resistance. if the same wire is of length 5cm is considered then what will be i

ts resistance

$\bf\huge\ Answer:-$

L =2m , A = 1.55* 10^ -6 ,

ROW= R*A/L

R= ROW*L/A

R = 2.8 * 10^ -8 * 2 / 1.55* 10^-6

R= 560/155 *10^-2

R = 3.61 *10^-2