In the circuit shown, A & C are identical light bulbs, and B is a different bulb. It's a 1.5 V battery. 5a. If we add another bulb, D, of the same type as A & C, into the same line as C, what will the potential difference across it be? Why? 5b. Explain whether bulb D will be brighter, dimmer or the same as bulb C and why. A B 6a. If the potential difference across bulb A is 1V, then what is the potential difference across bulb B? Explain why. 6b. Will bulb A will be brighter, dimmer or the same as bulb B under the simplifying (but impossible) assumption of 100% efficient bulbs where all the energy is output to the environment as light and not heat. Explain why. 6c. What, if anything, changes about your previous answer if bulb B is 100% efficient while bulb A is 50% efficient (so its energy leaves half as light and half as heat). Explain why.
In the circuit shown, A & C are identical light bulbs, and B is a different bulb. It's a 1.5 V battery. 5a. If we add another bulb, D, of the same type as A & C, into the same line as C, what will the potential difference across it be? Why? 5b. Explain whether bulb D will be brighter, dimmer or the same as bulb C and why. A B 6a. If the potential difference across bulb A is 1V, then what is the potential difference across bulb B? Explain why. 6b. Will bulb A will be brighter, dimmer or the same as bulb B under the simplifying (but impossible) assumption of 100% efficient bulbs where all the energy is output to the environment as light and not heat. Explain why. 6c. What, if anything, changes about your previous answer if bulb B is 100% efficient while bulb A is 50% efficient (so its energy leaves half as light and half as heat). Explain why.
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![In the circuit shown, A & C are identical light bulbs, and B is a different
bulb. It's a 1.5 V battery.
5a. If we add another bulb, D, of the same type as A & C, into the same
line as C, what will the potential difference across it be? Why?
A
B
5b. Explain whether bulb D will be brighter, dimmer or the same as bulb
C and why.
C
6a. If the potential difference across bulb A is 1V, then what is the potential difference across bulb B?
Explain why.
6b. Will bulb A will be brighter, dimmer or the same as bulb B under the simplifying (but impossible)
assumption of 100% efficient bulbs where all the energy is output to the environment as light and not
heat. Explain why.
6c. What, if anything, changes about your previous answer if bulb B is 100% efficient while bulb A is
50% efficient (so its energy leaves half as light and half as heat). Explain why.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4fa15f18-79b1-4896-9da9-326d9f942346%2F5a277da0-d2e9-40dc-978d-51aa03c9bdd9%2F6d09ime_processed.png&w=3840&q=75)
Transcribed Image Text:In the circuit shown, A & C are identical light bulbs, and B is a different
bulb. It's a 1.5 V battery.
5a. If we add another bulb, D, of the same type as A & C, into the same
line as C, what will the potential difference across it be? Why?
A
B
5b. Explain whether bulb D will be brighter, dimmer or the same as bulb
C and why.
C
6a. If the potential difference across bulb A is 1V, then what is the potential difference across bulb B?
Explain why.
6b. Will bulb A will be brighter, dimmer or the same as bulb B under the simplifying (but impossible)
assumption of 100% efficient bulbs where all the energy is output to the environment as light and not
heat. Explain why.
6c. What, if anything, changes about your previous answer if bulb B is 100% efficient while bulb A is
50% efficient (so its energy leaves half as light and half as heat). Explain why.
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