Suppose that a capacitor has parallel circular plates with radius R = 55.0 mm an

Question

Suppose that a capacitor has parallel circular plates with radius R = 55.0 mm and separation 5.1 mm. Suppose also that a sinusoidal potential difference with a maximum value of 300 V and a frequency of 120 Hz is applied across the plates. a. What is the maximum value of the induced magnetic field at r =R? b. What is the maximum value of the induced magnetic field at r = 27.5 mm? c. What is the maximum value of the induced magnetic field at r = 110.0 mm? d. What is the maximum value of the induced magnetic field at r = 165.0 mm?

Explanation / Answer

if r >5.1mm there is no magnetic field so for r= 165mm or r=110.0mm magnetic field is zero

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