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anonymous

  • 4 years ago

help!

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  1. anonymous
    • 4 years ago
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  2. JamesJ
    • 4 years ago
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    What's the question here?

  3. anonymous
    • 4 years ago
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    Look at the circuit below. What is the voltage between points D and E?

  4. JamesJ
    • 4 years ago
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    Is there any resistance between D and E? And with that resistance what should the potential difference be?

  5. anonymous
    • 4 years ago
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    thats all the info i got

  6. JamesJ
    • 4 years ago
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    I'm giving you the answer: Is there any resistance between D and E?

  7. JamesJ
    • 4 years ago
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    No, there is not. Hence ...

  8. anonymous
    • 4 years ago
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    oh sorry, no. so 1.5 V?

  9. JamesJ
    • 4 years ago
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    \[ V = IR \] Hence if \( R = 0 \), then \( V = \) ... what?

  10. anonymous
    • 4 years ago
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    0?

  11. JamesJ
    • 4 years ago
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    Has to be.

  12. JamesJ
    • 4 years ago
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    \[ V = IR \] Potential difference = (Current)x(Resistance)

  13. anonymous
    • 4 years ago
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    ok, is that becus the bulbs take 150 and the battery is 1.5?

  14. JamesJ
    • 4 years ago
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    between D and E, there is no resistance marked on the circuit.

  15. JamesJ
    • 4 years ago
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    If the question was, what's V between B and C, or between B and D, or C and D, etc., then the answer would be difference, because there IS resistance in that part of the circuit. But between D and E, there is none.

  16. anonymous
    • 4 years ago
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    ahh ok thank you.

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spraguer (Moderator)
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