bstainbrook bstainbrook
  • 20-07-2017
  • Physics
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A 12V battery runs a 30 amp car stereo. What is the resistance of the circuit?

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Studentneedshelp Studentneedshelp
  • 20-07-2017
So to find R (resistance) you do ohm's law  E (volts) over I (current) to find R
So this is 12/30 = 0.4 so the resistance is 0.4
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