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 R1 the greatest? Calculate the magnitude of the greatest power.
Figure P26.64

R2 ww R3
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IDENTIFY The resistor R 2 can vary between 300 and 240 R 2 is in parallel with R 1 so as R 2 is chan... View full answer
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