what is the voltage between points B and D in the fivure above
![what is the voltage between points B and D in the fivure above class=](https://us-static.z-dn.net/files/df8/c17fad3c5b0a780aa97d3a27959ac1b5.jpg)
The answer is D. 10V.
Do some research about voltage dividers on Wikipedia for example.
The voltage between point B and D is equal to the voltage between point A and B, since the resistance is the same along those paths.
R2+R3 = 1000Ohm = R1