anonymous
  • anonymous
the current through a device is 0.30 A, and the resistance in the device is 40 ohms. How many 1.5 V batteries are required to run the device? 2, 4 , 6 , or 8 ? :/
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Michele_Laino
  • Michele_Laino
the needed voltage drop is: 40*0.3=...volts
anonymous
  • anonymous
we get 12?
Michele_Laino
  • Michele_Laino
so the request number of batterie is: 12/1.5=...?

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Michele_Laino
  • Michele_Laino
batteries*
anonymous
  • anonymous
8! ohh okay so that is our solution?
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
yay thanks!:D
Michele_Laino
  • Michele_Laino
:)

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