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Magnetic field in a capacitor of specific radius

Student 3057 9 years ago updated by Physics Tutorial Center Staff 9 years ago 1

A parallel-plate capacitor with circular plates of radius 55.0 mm being charged. At what radius inside and outside the capacitor gap is the magnitude of the induced magnetic field equal to 50% of its maximum value?


Don't I need to know the current moving through the capacitor to calculate this?

Answer

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You can call the current I and solve the problem as if you knew it. You are trying to find the radius at which the magnetic field is half its max value, so you don't need to know exactly what the values are.

Answer
Closed

You can call the current I and solve the problem as if you knew it. You are trying to find the radius at which the magnetic field is half its max value, so you don't need to know exactly what the values are.