128CHAPTER 18 (d) The power dissipated in each resistor is found from ()2VR=∆Pwith the following results: ( )226.0 V6.0 W6.0 acacacVR∆===ΩP( )221.2 V0.60 W2.4 cececeVR∆== =ΩP( )221.8 V0.54 W6.0 edededVR∆ΩP221.8 V0.36 W9.0 fdfdfdVR∆ΩP( )223.0 V1.5 W6.0 cdcdcdVR∆ΩP( )226.0 V6.0 W6.0 dbdbdbVR∆ΩP18.48 (a) From 2P, the resistance of each of the three bulbs is given by 22120 V240 60.0 WVR∆=P23and RR1RΩAs connected, the parallel combination of is in series with . Thus, the equivalent resistance of the circuit is 1111110 36240 240 −−=++Ω++= ΩΩΩ1eq24=The total power delivered to the circuit is
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