Math, asked by sourabsingh06, 2 months ago

A wire of resistance 5 ohm
is drawn out so that its Length is increased by twice its original length. Calculate its new resistance.

Answers

Answered by joy2013

6

Step-by-step explanation:

20 ohms dude...

cos resistance is directly proportional to square of length

Answered by tayyabarubabbb

3

Answer:

if length increase by 2 ohm than area will decrease by 1/2.

so,

R is directly proportional to L/A

so

R'=20ohm

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