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moha_10

plz help look at pic

  • one year ago
  • one year ago

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  1. moha_10
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    |dw:1349270188044:dw|

    • one year ago
  2. telliott99
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    If I'm reading this right, you have two resistors in series followed by three in parallel, with all the individual resistances known (2.5, 0.25, then 4, 5 and 2 ohms). Voltage is given, so the problem is to solve for the current? You need to find Req for the parallel resistors. The formula is: \[\frac{1}{R_{eq} }= \sum \frac{1}{R_i}\] Does this help?

    • one year ago
  3. moha_10
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    @telliott99 thx

    • one year ago
  4. moha_10
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    how is will be the result

    • one year ago
  5. telliott99
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    Do I have the correct numbers? Is it 4 or 40?

    • one year ago
  6. niki
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    {5||2||40}+2.5 0.25=4.129ohm to find i2,i2=[(40||5)/{(40||5)+2}]*100/4.129=16.56(approx)

    • one year ago
  7. niki
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    check the ans

    • one year ago
  8. ali110
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    @moha_10 hi check that lesson for better understanding of resistors in parallel http://utwired.engr.utexas.edu/rgd1/lesson05.cfm

    • one year ago
  9. ali110
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    u can also use ORCAD to solve that!

    • one year ago
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