Science, asked by vimlavis124, 15 days ago

the length of wire is 44 cm and the radius is 0.7 mm. If the resistance of the wire is 20 Ohm find the resistivity of the material (π=22/7)

Answers

Answered by ankit979969

0

Answer:

using formula R= ®L/A

where, R= resistance

®= rho or resistivity of the wire which is to find

L= length of wire

A= area of the cylindrical wire

Explanation:

for finding area of cylindrical wire use the formula of cylinder which is A= πr2

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