Voltage division question

crutschow

Joined Mar 14, 2008
23,532
You can also convert each parallel pair of resistors to the equivalent single resistance and solve the voltage from that.
 

Dodgydave

Joined Jun 22, 2012
8,473
Work out the parallel resistance, (20K) then remove the resistor to ground (R3),and work out the current across the 90V supply, then work out the voltdrop across R2, subtract the 30V and that should be it...
 

WBahn

Joined Mar 31, 2012
24,854
Work out the parallel resistance, (20K) then remove the resistor to ground (R3),and work out the current across the 90V supply, then work out the voltdrop across R2, subtract the 30V and that should be it...
On what basis are you removing R3?
 

WBahn

Joined Mar 31, 2012
24,854
I'm sure glad Henry Jyrkinson will get a good grade after all the work he's done to solve this problem.
Well, I guess we can give credit where credit is due -- he DID come back and answer one of the clarification questions that was asked. That's better than most!

He's also had to deal with some false hints, which can be frustrating but also very educational.

Still, I'm with you -- need to see some effort from him if there is much point going any further.
 
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