Question: In Fig. 25.29, R 1 is a variable resistor and the other two resistors have equal resistances R.(a) Find an expression for the voltage across

In Fig. 25.29, R₁ is a variable resistor and the other two resistors have equal resistances R.(a) Find an expression for the voltage across R₁,(b) sketch a graph of this voltage as R₁ varies from 0 to 10R.

R ww- FIGURE 25.29 Problem 45

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