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An electric field of 7. x 10 V/m exists between the plates of a circular parallel-plate capacitor that has a plate separation of 3

An electric field of 7. x 10 V/m exists between the plates of a circular parallel-plate capacitor that has a plate separation of 3 mm. (a) What is the voltage across the capacitor? (b) What plate radlus is required If the stored charge is 10 uC?

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