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A simple circuit consists of a battery, an ammeter and a 2-ohm resistor. If the ammeter reads 4 amperes, determine the voltage of the battery and enter in the appropriate space.
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A simple circuit consists of a battery, an ammeter and a 2-ohm resistor. If the ammeter reads 4 amperes, determine the voltage of the battery and enter in the appropriate space.

User Efecarranza
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1 Answer

4 votes
  • Resistance=2ohm
  • Current=I=4A
  • Voltage=V

Using ohms law


\boxed{\sf (V)/(I)=R}


\\ \sf\longmapsto V=IR


\\ \sf\longmapsto V=2(4)


\\ \sf\longmapsto V=8V

User DelGiudice
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