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E=I*I*R what is the effect of E when I becomes I/2

1/4E (E decreases by 4 times)

This question is related to Wipro Interview
Asked by: Interview Candidate | Asked on: Jul 7th, 2005
Showing Answers 1 - 3 of 3 Answers
sindchann

Answered On : May 19th, 2008

View all answers by sindchann

                             IF I=2

                             IF R=2

                           E=2*2*2=8

                              I/2=1

then                    E=1*1*2=1
               

                               

E is proportional to I
so if I decreases E also decreases

  
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e = i*i*r

now if i = i/2

now e = i/2*i/2*r

therefore e will decrease 4 times

  
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Gopal27

Answered On : Jan 28th, 2012

e=i/2*i/2*r

  
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