Question: In the circuit shown in Fig. P26.64, ε = 24.0 V, R 1 = 6.00 Ω, R 3 = 12.0 Ω, and R 2 can

In the circuit shown in Fig. P26.64, ε = 24.0 V, R1= 6.00 Ω, R3= 12.0 Ω, and R2can vary between 3.00 Ω and 24.0 Ω. For what value of R2is the power dissipated by heating element Rthe greatest? Calculate the magnitude of the greatest power.


Figure P26.64

R2 ww R3

R2 ww R3

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