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A 120 watt bulb is a connected to a 48v line what is the current the flows in the bulb
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29 votes
A 120 watt bulb is a connected to a 48v line what is the current the flows in the bulb

User Ioane Sharvadze
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1 Answer

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21 votes
  • Power=P=120W
  • Voltage=V=48V
  • Current=I


\\ \sf\Rrightarrow P=VI


\\ \sf\Rrightarrow 120=48I


\\ \sf\Rrightarrow I=120/48


\\ \sf\Rrightarrow I=2.5A

User AndreyKarpov
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