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irina irina
wrote...
Posts: 919
11 years ago
Calculate the current in a 12 volt battery that powers a single 30 ohms resistor?
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1 Reply

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Replies
wrote...
11 years ago
I=U/R (ohm's law)
I= current
U=tension
R=resistance
I=12V/30 ohms=0.4 A
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