how to calculate this questions power

beenthere

Joined Apr 20, 2004
15,819
Hi

Being a crusty old technician, I'll just look at the circuit as essentially 15 ohms resistance with a 100 volt source. That makes circuit current 6.666 amps. The current divides through the parallel elements, so the resistor should have 3.333 amps flowing through it.
 
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