February 22, 2017

Homework Help: Physics-Please help

Posted by Sally on Thursday, March 24, 2011 at 2:13pm.

I need a little direction with this question:If someone could provide the correct formula, I think I divide each reistor by 12V but I'm not sure. To find total resistance, do I just add the reciprocals?

Three resistors connected in parallel have individual values of 4.0, 6.0 and 10.0 W, respectively. If this combination is connected in series with a 12.0 V battery and a 2.0 W resistor, what is the current in each of the resistors and what is the total resistance of the circuit?

a. 0.59 A

b. 1.0 A

c. 11.2 A

d. 16.0 A

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