(a) Determine the power dissipated by the 2.0 Ω resistor.( note:R1=4.0 ohm,R2= 5 ohm and V=12 v)
(b) If the voltage from the battery remains constant throughout the operation of the circuit, and the battery lasts for 4 hours, how much stored potential energy did it have to begin with?
![2045_voltage.png](https://secure.tutorsglobe.com/CMSImages/2045_voltage.png)