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2. suppose that a parallel-plate capacitor has circular plates with radius r = 30 mm and a plate separation of d = 5.0 mm. suppose also that a sinusoidal potential difference with a maximum value and a frequency of =60 hz is applied across the plates. find , the maximum value of the induced magnetic field that occurs at r = r. express your answers in terms of variables first and then plug in numbers afterword.
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2. suppose that a parallel-plate capacitor has circular plates with radius r = 30 mm and a plate sep...
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