A 2.8k-ohm and a 2.1k-ohm ersistor are connected in parallel; this combination is connected in series with a 1.8k-ohm resistor. If each resistor is rated at .5W, what is the maximum voltage that can be applied across the whole network?
Ohm's Law, P=IV
The Attempt at a Solution
I don't even know where to start with this problem.