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A 65.0-Ù resistor is connected in parallel with a 117.0-Ù resistor. This parallel group is connected in series with a 22.0-Ù resistor. The total combination is connected across a 15.0-V battery
Find the current in the 117.0-Ù resistor.
Find the power dissipated in the 117.0-Ù resistor

  • physics -

    total resistance parallel branch:

    Req=65*117/(182)= 41.8 ohms
    total circuit resistance: 41.8+22=63.8 ohms

    total current: 15/63.8=.235a

    voltage across the parallel branch:
    .235*41.8=9.82 volts

    current in 117 = 9.82/117 amps

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