Anyone know the solution to this circuit?

>>60901553
The answer is apparently 10V, I can easily get there by ignoring the right hand side of the circuit. I don't know why I can however

If you can't solve this, you're boned. You should have payed attention in class.

>>60901616
Please explain why I just ignore the 12v supply then, I realise why 10v from the 10v supply goes to it with a 0 ohm variable resistor.

Use superposition

>>60901553
A level?

>>60901553
Don't you just use kirchoffs laws or some shit? I took physics years ago but I remember this being easy as shit. You just have to sum the current or some thing like that

>>60901635
Read up on Kirchhoff's voltage law

>>60901718
>>60901676
Cheers! yeh A level, didn't know you just work them out as separate circuits then combine them

>>/sci/

File: ba9b40d871[1].png (23KB, 554x823px) Image search: [Google]

23KB, 554x823px

>>60901607
r1 is shorted so it acts like a wire. if you think of the junction of r1,r2,r3 as a node, then it gets 10 volts directly on it through the short. Simple.

Use node voltage and/or current for simple circuits like this.

>>60901553
10V-I1R1-I3R3=0
I2R2+I3R3-12=0
I3=I2+I1
General KVL equations

>>60901768
cheers

>>60901553
Resistance is futile.

>>60901553
Brings back memories. Thanks anon.