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calculate the current flowing through the circuit of a toy car that has a resistance of 20 and is powered by a 3 volt battery
 Feb 3, 2014
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Quote:

calculate the current flowing through the circuit of a toy car that has a resistance of 20 and is powered by a 3 volt battery



Ohm's law states that

Current = Voltage/Resistance

so in this case we have

Current = 3 volts/(20 ohms) = 0.15 amps = 150 milliamps
 Feb 3, 2014

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