- #1
Janiceleong26
- 276
- 4
Homework Statement
Homework Equations
The Attempt at a Solution
The answer is B. But I thought E1 needs to be be known first in order to find E2... And why not the resistance of the wire XY?
E1/ Rxy = E2/ Rxt
Then, in order to find Rxt, we need E1, Rxy and E2?