Hi there, here is the problem:
Now part (a) is easy enough, I've done that - Because each side has two 10kOhm resistors then V1 and V2 are equal (5V each) and you can ignore the middle resistor when calculating the current.
Part (b) is where I am stuck. Thing is, I seem to remember doing questions like this a while ago, and I think that there might be something very simple that I am missing when trying to do this.
Anyone got any ideas on how to do (b)?
Thanks a lot in advance
Robbie