Homework Help: Electronics

Posted by Cassie on Thursday, November 15, 2012 at 3:42pm.

I CANNOT find an answer to this anywhere in the book or online PLEASE HELP.

A circuit has 40 V and a parallel resistor with 3 100 ohm resistors in place. How much power is dissipated from the circuit?

Electronics - Steve, Thursday, November 15, 2012 at 4:06pm
The effective resistance is 100/3 ohms

P = E^2/R = 40^2 / (100/3) = 48 W

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