an aluminium wire has diameter 0.5 mm and resistivity 2.8 into 10 to the power minus 6 ohm cm. how much length of its wire is required to make a 10 ohm wire
an aluminium wire has diameter 0.5 mm and resistivity 2.8 into 10 to the power minus 6 ohm cm. how much length of its wire is required to make a 10 ohm wire
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Answer:
7008cm
Explanation
Explanation in attached pic
May it helps you
Answer:
192.608
Explanation:
radius = 0.25mm = 0.025cm
Row = 2.8 ×10^6
R =10 ohm
we know that
10 = 2.8 ×10^-6 × l /( pie ×0.025 square)
By simplifying
L = 192.608 M