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anonymous

  • one year ago

Two large parallel plates are 2.0 cm apart. The strength of the electric field between them is 100.0 N/C. What is the difference in voltage between the plates?

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  1. anonymous
    • one year ago
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    -2.0 V , 0 V , +20 V , or +2.0 V

  2. anonymous
    • one year ago
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    2.0 * 100 ?

  3. Michele_Laino
    • one year ago
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    here we have to apply this vector formula: \[\Large {\mathbf{E}} = - {\text{grad}}\varphi \]

  4. anonymous
    • one year ago
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    ok!

  5. Michele_Laino
    • one year ago
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    we have to integrate that formula, so we get: \[\Large \Delta \varphi = - Ed\]

  6. anonymous
    • one year ago
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    ok! so we get -(-20)?

  7. Michele_Laino
    • one year ago
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    I got this: \[\Large \Delta \varphi = - Ed = - 100 \times 0.02 = ...volts\]

  8. anonymous
    • one year ago
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    i do not know if i did that right... ;/

  9. anonymous
    • one year ago
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    oh so we get -2! so -2.0 V is our solutoin! thanks!!:D

  10. Michele_Laino
    • one year ago
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    :)

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