Flag Electric Current> resistance...
question mark

if a wire of length L is stretched from a fraction inorder to make its resistance four times the original
such that its new length is 3/2 times the original length...

then find the fraction by which it is increased....

amit sharma , 12 Years ago
Grade 12
anser 1 Answers
mani kanta

Last Activity: 12 Years ago

Formula:

(R1/R2)*(l2/l1)=(A1/A2)

 

A1/A2=3/8

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments