In Fig. 27-41, R1 ! 10.0 0, R2 ! 20.0 0, and the ideal
Chapter , Problem 88(choose chapter or problem)
In Fig. 27-41, R1 ! 10.0 0, R2 ! 20.0 0, and the ideal batteries have emfs #1 ! 20.0 V and #2 ! 50.0 V. What value of R3 results in no current through battery 1?
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