0.3 0 6.0 Ω 6.0 Ω 2.5 V If the battery in the above figure were ideal, lightbulb A would not dim when the switch is closed. However, real batteries have a small internal resistance, which we can model as the 0.3 Q resistor shown inside the battery. In this case, the brightness of bulb A changes when the switch is closed. (a) How much power does bulb A dissipate when the switch is open? (b) How much power does bulb A dissipate when the switch is closed? ww

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0.3 Ω
AO6.0 N
) 6.0 Ω
2.5 V
If the battery in the above figure were ideal, lightbulb A would not dim when the switch is closed.
However, real batteries have a small internal resistance, which we can model as the 0.3 Q resistor
shown inside the battery. In this case, the brightness of bulb A changes when the switch is closed.
(a) How much power does bulb A dissipate when the switch is open? (b) How much power does
bulb A dissipate when the switch is closed?
Transcribed Image Text:0.3 Ω AO6.0 N ) 6.0 Ω 2.5 V If the battery in the above figure were ideal, lightbulb A would not dim when the switch is closed. However, real batteries have a small internal resistance, which we can model as the 0.3 Q resistor shown inside the battery. In this case, the brightness of bulb A changes when the switch is closed. (a) How much power does bulb A dissipate when the switch is open? (b) How much power does bulb A dissipate when the switch is closed?
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