Physics, asked by khandreashvini566, 9 months ago

the ma
6. A wire has radius 0.5 mm and length 62.8 m.
If the resistivity of the material of the wire is
5 x 10-712-m, find the resistance of the wire.​

Answers

Answered by rema011287
4

Answer:

40 ohms

Explanation:

r=0.5mm=0.0005m

Cross sectional area of wire = πr² = 3.14×0.0005²=7.85×10^(-7) m²

Resistance = resistivity × length/area

= 5×10^(-7) ×62.8/[7.85×10^(-7)]

= 314/7.85

=40 ohms

Answered by bhagyashriholambe007
0

Answer:

answer is 40ohm.

formula...resistivity ×length/area=resistance

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