kaylawvliloveyon
kaylawvliloveyon kaylawvliloveyon
  • 21-09-2016
  • Physics
contestada

A transformer for a laptop computer converts a 120-V input to a 24-V output. If the output current for the transformer is 1.8 A, find the input current.

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taskmasters
taskmasters taskmasters
  • 23-09-2016
To find for the input current, we use ratio and proportion concept. We use the equation:

I(input)/ I(output) = V(output)/ V(input)

I(input) / 1.8 A = 24 V / 120 V
I(input) = 0.36 A

Hope this answers the question. Have a nice day. Feel free to ask more questions.
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