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Grade: 12 

                        
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....
8 years ago

Answers : (1)

mani kanta
31 Points 
							
Formula:


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


 


A1/A2=3/8
7 years ago
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  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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