A battery of voltage V₂ is connected to several identical bulbs of resistance Ro, as shown in the circuit diagram at right. For both parts of this question the switch is closed. a) Rank the brightness of the five bulbs when the switch is closed. Explain your reasoning qualitatively (without math). b) Determine an expression for the current through bulb 4 in terms of VÅ and R₁ - again, when the switch is closed. Show your work and explain your reasoning.
A battery of voltage V₂ is connected to several identical bulbs of resistance Ro, as shown in the circuit diagram at right. For both parts of this question the switch is closed. a) Rank the brightness of the five bulbs when the switch is closed. Explain your reasoning qualitatively (without math). b) Determine an expression for the current through bulb 4 in terms of VÅ and R₁ - again, when the switch is closed. Show your work and explain your reasoning.
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Transcribed Image Text:A battery of voltage V₂ is connected to several identical bulbs of
resistance Ro, as shown in the circuit diagram at right. For both parts
of this question the switch is closed.
b)
Rank the brightness of the five bulbs when the
switch is closed. Explain your reasoning qualitatively (without
math).
Determine an expression for the current through bulb 4 in terms of V₂ and Ro
again, when the switch is closed. Show your work and explain your reasoning.
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