candacecross3 candacecross3
  • 07-01-2019
  • Physics
contestada

A camcorder has a power rating of 17 watts. If the output voltage from its battery is 8 volts, what current does it use?

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AL2006
AL2006 AL2006
  • 07-01-2019

Power = (voltage) x (current)

IF the camcorder is TURNED ON, and IF it's running, and IF it's using the maximum power it should ever need from the battery, then the current it's taking from the battery is

Power = (voltage) x (current)

17 watts = (8 volts) x (current)

Divide each side by (8 volts):

Current = (17 watts) / (8 volts)

Current = 17/8 Amps

Current = 2.125 Amps

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