Calculate the resistance of a metal wire of length 2m and area of cross section 1.55 × 10 ^ -6 m^2 , If the resistivity of the metal be 2.8 × 10^8 ohm m. plzzzz answer
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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
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