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A 12V battery runs a 30 amp car stereo. What is the resistance of the circuit?
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A 12V battery runs a 30 amp car stereo. What is the resistance of the circuit?

User Mitchell Olislagers
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1 Answer

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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
User Sudhir Chauhan
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