A flat aluminium strip has resistivity of 6.3×10^-9 homes law-m.The length and cross sectional area of strip or 15 mm and 1.5×10^-4 mm^2 respectively.Then the voltage drop across the strip when a current of 100ma is passing through it _____ ? plz answer it fast its urgent
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4−1−(3−1)
\frac{ - 1}{4} + \frac{1}{3}4−1+31
\frac{ - 3 + 4}{12}12−3+4
\frac{1}{12}12
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