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shaqadry

  • 3 years ago

A parallel-plate capacitor is constructed with circular plates of radius 6.3×10−2 m . The plates are separated by 0.23 mm, and the space between the plates is filled with a dielectric with dielectric constant . When the charge on the capacitor is 1.9 micro-coulomb the potential difference between the plates is 730 V . Find the value of dielectric constant.

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  1. Diwakar
    • 3 years ago
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    The capacitance of a parallel plate capacitor is given by, \[C=kA \epsilon o/d\] Also directly ,C=Q/V Find C from second eqn and insert in the first one to find k, the dielectric constant

  2. shaqadry
    • 3 years ago
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    is the answer 54? or am i wrong?

  3. Diwakar
    • 3 years ago
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    Yes something like that .

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