The resistance of a wire of radius 0.01cm is 10 ohm. If the resistivity of the material of the wire is 50*10 ^-8 ohm metre,find the lenght of the of the wire
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Hello yash!
Use the formula of resistance in this question.
R=resistivity × length/ Area.
and take the area to be 3.14×r^2.
Put all the values and calculate it.You will surely get it right.
Use the formula of resistance in this question.
R=resistivity × length/ Area.
and take the area to be 3.14×r^2.
Put all the values and calculate it.You will surely get it right.
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