the resistance of a 31.4m long wire is 20ohms. find the resistivity of the wire if it has 1mm dia

Question

Beenu Mathew · Answer

HI, ITS A DIRECT QUESTION LOOK R=20 OHMS X= RESISTIVITY (TO BE FOUND OUT) l= 31.4 m or ( pie * 10) A = pie d 2 /4 (where A-area....n d...is diameter) R=Xl/A RA/l =X X= 20 * pie (10 -3 ) 2 /4 *pie * 10 on solving this ….u will get X= 0.5 * 10 -6 ohm m (OR) 5* 10 -7 ohm m JEHOYESJIRA

Thank you for registering.

Register Now and Win Upto 25% Scholorship for a Full Academic Year !

Enter Your Details

Registration done!

the resistance of a 31.4m long wire is 20ohms. find the resistivity of the wire if it has 1mm dia

the resistance of a 31.4m long wire is 20ohms. find the resistivity of the wire if it has 1mm dia

1 Answers

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Electric Current

ASK QUESTION

Answer and earn gift vouchers

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Complete Self Study Package designed by Industry Leading Experts

Live 1-1 coding classes to unleash the Creator in your Child

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Register Now & Win Upto 25% Scholorship