What is the current in the circuit of Fig. P17 before and after the wire is clipped on at C and B?

Question

Figure P17
http://www.webassign.net/hecht/18-P15.gif

_____ A (before)
_____ A (after)

* Circuits

Answer 1

Interesting

1. Before I=V/R=V/(R1+R2)=12/(12+8)=.6A
2. After the 12 ohm resistor is shunted so
I=V/R=12/8=3/2=1.5A