SOLUTION: The current (I) in an electric circuit is inversely proportional to the resistance (R). If the resistance is 10 ohms when the current is 0.2 ampere, find the resistance when the cu

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Question 1197035: The current (I) in an electric circuit is inversely proportional to the resistance (R). If the resistance is 10 ohms when the current is 0.2 ampere, find the resistance when the current is 1.2 amperes. (Round your answer to two decimal places.)
R =____?

Found 2 solutions by ewatrrr, ikleyn:
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
The current (I) in an electric circuit is inversely proportional to the resistance (R).
I varies INVERSELY as R
That is:  I = k/R
I = .2amp when R = 10ohms
  .2amp = k/ 10ohms,  k = .2amps•10ohms = 2amps•ohms
find R when I = 1.2amp 
      I = k/R  0r  R = k/I
                   R = (2amps•ohms)/(1.2amps) = 1 2/3 ohms
Wish You the Best in your Studies.

Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.
The current (I) in an electric circuit is inversely proportional to the resistance (R).
If the resistance is 10 ohms when the current is 0.2 ampere, find the resistance when the current is 1.2 amperes.
(Round your answer to two decimal places.) R =____?
~~~~~~~~~~~~~~~~~~~~~~~


The resistance of a given current conductor  (ohms) in a circuit  DOES  NOT  DEPEND  on current.

Voltage does depend,  but not resistance.


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From the Physics point of view, this wording sounds as if nail scratching on glass.



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